1390428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:2994

約数の個数: 36

約数和(自身を含む): 3786328

約数和(自身を除く): 2395900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 2971, 5942, 8913, 11884, 17826, 26739, 35652, 38623, 53478, 77246, 106956, 115869, 154492, 231738, 347607, 463476, 695214, 1390428]

約数ペア:

[(1, 1390428), (2, 695214), (3, 463476), (4, 347607), (6, 231738), (9, 154492), (12, 115869), (13, 106956), (18, 77246), (26, 53478), (36, 38623), (39, 35652), (52, 26739), (78, 17826), (117, 11884), (156, 8913), (234, 5942), (468, 2971)]