621405664

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 108

約数和(自身を含む): 1397818296

約数和(自身を除く): 776412632

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 121, 124, 167, 176, 242, 248, 334, 341, 352, 484, 496, 668, 682, 961, 968, 992, 1336, 1364, 1837, 1922, 1936, 2672, 2728, 3674, 3751, 3844, 3872, 5177, 5344, 5456, 7348, 7502, 7688, 10354, 10571, 10912, 14696, 15004, 15376, 20207, 20708, 21142, 29392, 30008, 30752, 40414, 41416, 42284, 56947, 58784, 60016, 80828, 82832, 84568, 113894, 116281, 120032, 160487, 161656, 165664, 169136, 227788, 232562, 320974, 323312, 338272, 455576, 465124, 626417, 641948, 646624, 911152, 930248, 1252834, 1283896, 1765357, 1822304, 1860496, 2505668, 2567792, 3530714, 3720992, 5011336, 5135584, 7061428, 10022672, 14122856, 19418927, 20045344, 28245712, 38837854, 56491424, 77675708, 155351416, 310702832, 621405664]

約数ペア:

[(1, 621405664), (2, 310702832), (4, 155351416), (8, 77675708), (11, 56491424), (16, 38837854), (22, 28245712), (31, 20045344), (32, 19418927), (44, 14122856), (62, 10022672), (88, 7061428), (121, 5135584), (124, 5011336), (167, 3720992), (176, 3530714), (242, 2567792), (248, 2505668), (334, 1860496), (341, 1822304), (352, 1765357), (484, 1283896), (496, 1252834), (668, 930248), (682, 911152), (961, 646624), (968, 641948), (992, 626417), (1336, 465124), (1364, 455576), (1837, 338272), (1922, 323312), (1936, 320974), (2672, 232562), (2728, 227788), (3674, 169136), (3751, 165664), (3844, 161656), (3872, 160487), (5177, 120032), (5344, 116281), (5456, 113894), (7348, 84568), (7502, 82832), (7688, 80828), (10354, 60016), (10571, 58784), (10912, 56947), (14696, 42284), (15004, 41416), (15376, 40414), (20207, 30752), (20708, 30008), (21142, 29392)]