64105808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 134324736

約数和(自身を除く): 70218928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 622, 991, 1244, 1982, 2488, 3964, 4043, 4976, 7928, 8086, 12883, 15856, 16172, 25766, 32344, 51532, 64688, 103064, 206128, 308201, 616402, 1232804, 2465608, 4006613, 4931216, 8013226, 16026452, 32052904, 64105808]

約数ペア:

[(1, 64105808), (2, 32052904), (4, 16026452), (8, 8013226), (13, 4931216), (16, 4006613), (26, 2465608), (52, 1232804), (104, 616402), (208, 308201), (311, 206128), (622, 103064), (991, 64688), (1244, 51532), (1982, 32344), (2488, 25766), (3964, 16172), (4043, 15856), (4976, 12883), (7928, 8086)]