2531490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6514

約数の個数: 32

約数和(自身を含む): 6543936

約数和(自身を除く): 4012446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6491, 12982, 19473, 32455, 38946, 64910, 84383, 97365, 168766, 194730, 253149, 421915, 506298, 843830, 1265745, 2531490]

約数ペア:

[(1, 2531490), (2, 1265745), (3, 843830), (5, 506298), (6, 421915), (10, 253149), (13, 194730), (15, 168766), (26, 97365), (30, 84383), (39, 64910), (65, 38946), (78, 32455), (130, 19473), (195, 12982), (390, 6491)]