7289490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18691}}^1$

素因数の和:18714

約数の個数: 32

約数和(自身を含む): 18841536

約数和(自身を除く): 11552046

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 18691, 37382, 56073, 93455, 112146, 186910, 242983, 280365, 485966, 560730, 728949, 1214915, 1457898, 2429830, 3644745, 7289490]

約数ペア:

[(1, 7289490), (2, 3644745), (3, 2429830), (5, 1457898), (6, 1214915), (10, 728949), (13, 560730), (15, 485966), (26, 280365), (30, 242983), (39, 186910), (65, 112146), (78, 93455), (130, 56073), (195, 37382), (390, 18691)]