389636988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2497673}}^1$

素因数の和:2497693

約数の個数: 24

約数和(自身を含む): 979088208

約数和(自身を除く): 589451220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2497673, 4995346, 7493019, 9990692, 14986038, 29972076, 32469749, 64939498, 97409247, 129878996, 194818494, 389636988]

約数ペア:

[(1, 389636988), (2, 194818494), (3, 129878996), (4, 97409247), (6, 64939498), (12, 32469749), (13, 29972076), (26, 14986038), (39, 9990692), (52, 7493019), (78, 4995346), (156, 2497673)]