258290816

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 616896000

約数和(自身を除く): 358605184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 79, 82, 89, 112, 128, 158, 164, 178, 224, 287, 316, 328, 356, 448, 553, 574, 623, 632, 656, 712, 896, 1106, 1148, 1246, 1264, 1312, 1424, 2212, 2296, 2492, 2528, 2624, 2848, 3239, 3649, 4424, 4592, 4984, 5056, 5248, 5696, 6478, 7031, 7298, 8848, 9184, 9968, 10112, 11392, 12956, 14062, 14596, 17696, 18368, 19936, 22673, 25543, 25912, 28124, 29192, 35392, 36736, 39872, 45346, 49217, 51086, 51824, 56248, 58384, 70784, 79744, 90692, 98434, 102172, 103648, 112496, 116768, 181384, 196868, 204344, 207296, 224992, 233536, 288271, 362768, 393736, 408688, 414592, 449984, 467072, 576542, 725536, 787472, 817376, 899968, 1153084, 1451072, 1574944, 1634752, 2017897, 2306168, 2902144, 3149888, 3269504, 4035794, 4612336, 6299776, 8071588, 9224672, 16143176, 18449344, 32286352, 36898688, 64572704, 129145408, 258290816]

約数ペア:

[(1, 258290816), (2, 129145408), (4, 64572704), (7, 36898688), (8, 32286352), (14, 18449344), (16, 16143176), (28, 9224672), (32, 8071588), (41, 6299776), (56, 4612336), (64, 4035794), (79, 3269504), (82, 3149888), (89, 2902144), (112, 2306168), (128, 2017897), (158, 1634752), (164, 1574944), (178, 1451072), (224, 1153084), (287, 899968), (316, 817376), (328, 787472), (356, 725536), (448, 576542), (553, 467072), (574, 449984), (623, 414592), (632, 408688), (656, 393736), (712, 362768), (896, 288271), (1106, 233536), (1148, 224992), (1246, 207296), (1264, 204344), (1312, 196868), (1424, 181384), (2212, 116768), (2296, 112496), (2492, 103648), (2528, 102172), (2624, 98434), (2848, 90692), (3239, 79744), (3649, 70784), (4424, 58384), (4592, 56248), (4984, 51824), (5056, 51086), (5248, 49217), (5696, 45346), (6478, 39872), (7031, 36736), (7298, 35392), (8848, 29192), (9184, 28124), (9968, 25912), (10112, 25543), (11392, 22673), (12956, 19936), (14062, 18368), (14596, 17696)]