8972990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3001}}^1$

素因数の和:3044

約数の個数: 32

約数和(自身を含む): 18156096

約数和(自身を除く): 9183106

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 3001, 6002, 15005, 30010, 39013, 69023, 78026, 138046, 195065, 345115, 390130, 690230, 897299, 1794598, 4486495, 8972990]

約数ペア:

[(1, 8972990), (2, 4486495), (5, 1794598), (10, 897299), (13, 690230), (23, 390130), (26, 345115), (46, 195065), (65, 138046), (115, 78026), (130, 69023), (230, 39013), (299, 30010), (598, 15005), (1495, 6002), (2990, 3001)]