259667070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{665813}}^1$

素因数の和:665836

約数の個数: 32

約数和(自身を含む): 671140512

約数和(自身を除く): 411473442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 665813, 1331626, 1997439, 3329065, 3994878, 6658130, 8655569, 9987195, 17311138, 19974390, 25966707, 43277845, 51933414, 86555690, 129833535, 259667070]

約数ペア:

[(1, 259667070), (2, 129833535), (3, 86555690), (5, 51933414), (6, 43277845), (10, 25966707), (13, 19974390), (15, 17311138), (26, 9987195), (30, 8655569), (39, 6658130), (65, 3994878), (78, 3329065), (130, 1997439), (195, 1331626), (390, 665813)]