3957070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 7812000

約数和(自身を除く): 3854930

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 499, 610, 793, 998, 1586, 2495, 3965, 4990, 6487, 7930, 12974, 30439, 32435, 60878, 64870, 152195, 304390, 395707, 791414, 1978535, 3957070]

約数ペア:

[(1, 3957070), (2, 1978535), (5, 791414), (10, 395707), (13, 304390), (26, 152195), (61, 64870), (65, 60878), (122, 32435), (130, 30439), (305, 12974), (499, 7930), (610, 6487), (793, 4990), (998, 3965), (1586, 2495)]