65968816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 130911264

約数和(自身を除く): 64942448

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 257, 263, 488, 514, 526, 976, 1028, 1052, 2056, 2104, 4112, 4208, 15677, 16043, 31354, 32086, 62708, 64172, 67591, 125416, 128344, 135182, 250832, 256688, 270364, 540728, 1081456, 4123051, 8246102, 16492204, 32984408, 65968816]

約数ペア:

[(1, 65968816), (2, 32984408), (4, 16492204), (8, 8246102), (16, 4123051), (61, 1081456), (122, 540728), (244, 270364), (257, 256688), (263, 250832), (488, 135182), (514, 128344), (526, 125416), (976, 67591), (1028, 64172), (1052, 62708), (2056, 32086), (2104, 31354), (4112, 16043), (4208, 15677)]