123978204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{491977}}^1$

素因数の和:491994

約数の個数: 36

約数和(自身を含む): 358159984

約数和(自身を除く): 234181780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 491977, 983954, 1475931, 1967908, 2951862, 3443839, 4427793, 5903724, 6887678, 8855586, 10331517, 13775356, 17711172, 20663034, 30994551, 41326068, 61989102, 123978204]

約数ペア:

[(1, 123978204), (2, 61989102), (3, 41326068), (4, 30994551), (6, 20663034), (7, 17711172), (9, 13775356), (12, 10331517), (14, 8855586), (18, 6887678), (21, 5903724), (28, 4427793), (36, 3443839), (42, 2951862), (63, 1967908), (84, 1475931), (126, 983954), (252, 491977)]