129240904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{4951}}^1$

素因数の和:5221

約数の個数: 32

約数和(自身を含む): 262059840

約数和(自身を除く): 132818936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 3263, 4951, 6526, 9902, 13052, 19804, 26104, 39608, 64363, 128726, 257452, 514904, 1242701, 2485402, 4970804, 9941608, 16155113, 32310226, 64620452, 129240904]

約数ペア:

[(1, 129240904), (2, 64620452), (4, 32310226), (8, 16155113), (13, 9941608), (26, 4970804), (52, 2485402), (104, 1242701), (251, 514904), (502, 257452), (1004, 128726), (2008, 64363), (3263, 39608), (4951, 26104), (6526, 19804), (9902, 13052)]