420290380024

素因数分解:

$2^3\times {\mathrm{67679}}^1\times {\mathrm{776257}}^1$

素因数の和:843942

約数の個数: 16

約数和(自身を含む): 788057121600

約数和(自身を除く): 367766741576

約数列:

[1, 2, 4, 8, 67679, 135358, 270716, 541432, 776257, 1552514, 3105028, 6210056, 52536297503, 105072595006, 210145190012, 420290380024]

約数ペア:

[(1, 420290380024), (2, 210145190012), (4, 105072595006), (8, 52536297503), (67679, 6210056), (135358, 3105028), (270716, 1552514), (541432, 776257)]