1239645232

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{155891}}^1$

素因数の和:155977

約数の個数: 40

約数和(自身を含む): 2783607552

約数和(自身を除く): 1543962320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 155891, 311782, 623564, 1091237, 1247128, 2182474, 2494256, 4364948, 8729896, 11068261, 17459792, 22136522, 44273044, 77477827, 88546088, 154955654, 177092176, 309911308, 619822616, 1239645232]

約数ペア:

[(1, 1239645232), (2, 619822616), (4, 309911308), (7, 177092176), (8, 154955654), (14, 88546088), (16, 77477827), (28, 44273044), (56, 22136522), (71, 17459792), (112, 11068261), (142, 8729896), (284, 4364948), (497, 2494256), (568, 2182474), (994, 1247128), (1136, 1091237), (1988, 623564), (3976, 311782), (7952, 155891)]