388664855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 509967360

約数和(自身を除く): 121302505

約数列:

[1, 5, 19, 47, 61, 95, 235, 305, 893, 1159, 1427, 2867, 4465, 5795, 7135, 14335, 27113, 54473, 67069, 87047, 135565, 272365, 335345, 435235, 1274311, 1653893, 4091209, 6371555, 8269465, 20456045, 77732971, 388664855]

約数ペア:

[(1, 388664855), (5, 77732971), (19, 20456045), (47, 8269465), (61, 6371555), (95, 4091209), (235, 1653893), (305, 1274311), (893, 435235), (1159, 335345), (1427, 272365), (2867, 135565), (4465, 87047), (5795, 67069), (7135, 54473), (14335, 27113)]