251130256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 599961600

約数和(自身を除く): 348831344

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 31, 34, 52, 58, 62, 68, 79, 104, 116, 124, 136, 158, 208, 221, 232, 248, 272, 316, 377, 403, 442, 464, 493, 496, 527, 632, 754, 806, 884, 899, 986, 1027, 1054, 1264, 1343, 1508, 1612, 1768, 1798, 1972, 2054, 2108, 2291, 2449, 2686, 3016, 3224, 3536, 3596, 3944, 4108, 4216, 4582, 4898, 5372, 6032, 6409, 6448, 6851, 7192, 7888, 8216, 8432, 9164, 9796, 10744, 11687, 12818, 13702, 14384, 15283, 16432, 17459, 18328, 19592, 21488, 23374, 25636, 27404, 29783, 30566, 31837, 34918, 36656, 38947, 39184, 41633, 46748, 51272, 54808, 59566, 61132, 63674, 69836, 71021, 77894, 83266, 93496, 102544, 109616, 119132, 122264, 127348, 139672, 142042, 155788, 166532, 186992, 198679, 238264, 244528, 254696, 279344, 284084, 311576, 333064, 397358, 476528, 506311, 509392, 541229, 568168, 623152, 666128, 794716, 923273, 1012622, 1082458, 1136336, 1207357, 1589432, 1846546, 2025244, 2164916, 2414714, 3178864, 3693092, 4050488, 4329832, 4829428, 7386184, 8100976, 8659664, 9658856, 14772368, 15695641, 19317712, 31391282, 62782564, 125565128, 251130256]

約数ペア:

[(1, 251130256), (2, 125565128), (4, 62782564), (8, 31391282), (13, 19317712), (16, 15695641), (17, 14772368), (26, 9658856), (29, 8659664), (31, 8100976), (34, 7386184), (52, 4829428), (58, 4329832), (62, 4050488), (68, 3693092), (79, 3178864), (104, 2414714), (116, 2164916), (124, 2025244), (136, 1846546), (158, 1589432), (208, 1207357), (221, 1136336), (232, 1082458), (248, 1012622), (272, 923273), (316, 794716), (377, 666128), (403, 623152), (442, 568168), (464, 541229), (493, 509392), (496, 506311), (527, 476528), (632, 397358), (754, 333064), (806, 311576), (884, 284084), (899, 279344), (986, 254696), (1027, 244528), (1054, 238264), (1264, 198679), (1343, 186992), (1508, 166532), (1612, 155788), (1768, 142042), (1798, 139672), (1972, 127348), (2054, 122264), (2108, 119132), (2291, 109616), (2449, 102544), (2686, 93496), (3016, 83266), (3224, 77894), (3536, 71021), (3596, 69836), (3944, 63674), (4108, 61132), (4216, 59566), (4582, 54808), (4898, 51272), (5372, 46748), (6032, 41633), (6409, 39184), (6448, 38947), (6851, 36656), (7192, 34918), (7888, 31837), (8216, 30566), (8432, 29783), (9164, 27404), (9796, 25636), (10744, 23374), (11687, 21488), (12818, 19592), (13702, 18328), (14384, 17459), (15283, 16432)]