858295568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{53}}^2\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 90

約数和(自身を含む): 1851565086

約数和(自身を除く): 993269518

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 113, 169, 208, 212, 226, 338, 424, 452, 676, 689, 848, 904, 1352, 1378, 1469, 1808, 2704, 2756, 2809, 2938, 5512, 5618, 5876, 5989, 8957, 11024, 11236, 11752, 11978, 17914, 19097, 22472, 23504, 23956, 35828, 36517, 38194, 44944, 47912, 71656, 73034, 76388, 77857, 95824, 143312, 146068, 152776, 155714, 292136, 305552, 311428, 317417, 474721, 584272, 622856, 634834, 949442, 1012141, 1245712, 1269668, 1898884, 2024282, 2539336, 3797768, 4048564, 4126421, 5078672, 7595536, 8097128, 8252842, 16194256, 16505684, 33011368, 53643473, 66022736, 107286946, 214573892, 429147784, 858295568]

約数ペア:

[(1, 858295568), (2, 429147784), (4, 214573892), (8, 107286946), (13, 66022736), (16, 53643473), (26, 33011368), (52, 16505684), (53, 16194256), (104, 8252842), (106, 8097128), (113, 7595536), (169, 5078672), (208, 4126421), (212, 4048564), (226, 3797768), (338, 2539336), (424, 2024282), (452, 1898884), (676, 1269668), (689, 1245712), (848, 1012141), (904, 949442), (1352, 634834), (1378, 622856), (1469, 584272), (1808, 474721), (2704, 317417), (2756, 311428), (2809, 305552), (2938, 292136), (5512, 155714), (5618, 152776), (5876, 146068), (5989, 143312), (8957, 95824), (11024, 77857), (11236, 76388), (11752, 73034), (11978, 71656), (17914, 47912), (19097, 44944), (22472, 38194), (23504, 36517), (23956, 35828)]