386495980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1486523}}^1$

素因数の和:1486545

約数の個数: 24

約数和(自身を含む): 874076112

約数和(自身を除く): 487580132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1486523, 2973046, 5946092, 7432615, 14865230, 19324799, 29730460, 38649598, 77299196, 96623995, 193247990, 386495980]

約数ペア:

[(1, 386495980), (2, 193247990), (4, 96623995), (5, 77299196), (10, 38649598), (13, 29730460), (20, 19324799), (26, 14865230), (52, 7432615), (65, 5946092), (130, 2973046), (260, 1486523)]