128478518

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 226195200

約数和(自身を除く): 97716682

約数列:

[1, 2, 7, 14, 59, 109, 118, 218, 413, 763, 826, 1427, 1526, 2854, 6431, 9989, 12862, 19978, 45017, 84193, 90034, 155543, 168386, 311086, 589351, 1088801, 1178702, 2177602, 9177037, 18354074, 64239259, 128478518]

約数ペア:

[(1, 128478518), (2, 64239259), (7, 18354074), (14, 9177037), (59, 2177602), (109, 1178702), (118, 1088801), (218, 589351), (413, 311086), (763, 168386), (826, 155543), (1427, 90034), (1526, 84193), (2854, 45017), (6431, 19978), (9989, 12862)]