128571690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{329671}}^1$

素因数の和:329694

約数の個数: 32

約数和(自身を含む): 332309376

約数和(自身を除く): 203737686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 329671, 659342, 989013, 1648355, 1978026, 3296710, 4285723, 4945065, 8571446, 9890130, 12857169, 21428615, 25714338, 42857230, 64285845, 128571690]

約数ペア:

[(1, 128571690), (2, 64285845), (3, 42857230), (5, 25714338), (6, 21428615), (10, 12857169), (13, 9890130), (15, 8571446), (26, 4945065), (30, 4285723), (39, 3296710), (65, 1978026), (78, 1648355), (130, 989013), (195, 659342), (390, 329671)]