386490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 999936

約数和(自身を除く): 613446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 991, 1982, 2973, 4955, 5946, 9910, 12883, 14865, 25766, 29730, 38649, 64415, 77298, 128830, 193245, 386490]

約数ペア:

[(1, 386490), (2, 193245), (3, 128830), (5, 77298), (6, 64415), (10, 38649), (13, 29730), (15, 25766), (26, 14865), (30, 12883), (39, 9910), (65, 5946), (78, 4955), (130, 2973), (195, 1982), (390, 991)]