1523990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 3114720

約数和(自身を除く): 1590730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 617, 1234, 1235, 2470, 3085, 6170, 8021, 11723, 16042, 23446, 40105, 58615, 80210, 117230, 152399, 304798, 761995, 1523990]

約数ペア:

[(1, 1523990), (2, 761995), (5, 304798), (10, 152399), (13, 117230), (19, 80210), (26, 58615), (38, 40105), (65, 23446), (95, 16042), (130, 11723), (190, 8021), (247, 6170), (494, 3085), (617, 2470), (1234, 1235)]