15661390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 29678400

約数和(自身を除く): 14017010

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 457, 745, 914, 1490, 2285, 3427, 4570, 6854, 10511, 17135, 21022, 34270, 52555, 68093, 105110, 136186, 340465, 680930, 1566139, 3132278, 7830695, 15661390]

約数ペア:

[(1, 15661390), (2, 7830695), (5, 3132278), (10, 1566139), (23, 680930), (46, 340465), (115, 136186), (149, 105110), (230, 68093), (298, 52555), (457, 34270), (745, 21022), (914, 17135), (1490, 10511), (2285, 6854), (3427, 4570)]