259995664

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{547}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 513988928

約数和(自身を除く): 253993264

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 487, 488, 547, 974, 976, 1094, 1948, 2188, 3896, 4376, 7792, 8752, 29707, 33367, 59414, 66734, 118828, 133468, 237656, 266389, 266936, 475312, 532778, 533872, 1065556, 2131112, 4262224, 16249729, 32499458, 64998916, 129997832, 259995664]

約数ペア:

[(1, 259995664), (2, 129997832), (4, 64998916), (8, 32499458), (16, 16249729), (61, 4262224), (122, 2131112), (244, 1065556), (487, 533872), (488, 532778), (547, 475312), (974, 266936), (976, 266389), (1094, 237656), (1948, 133468), (2188, 118828), (3896, 66734), (4376, 59414), (7792, 33367), (8752, 29707)]