128419956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509603}}^1$

素因数の和:509620

約数の個数: 36

約数和(自身を含む): 370991712

約数和(自身を除く): 242571756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509603, 1019206, 1528809, 2038412, 3057618, 3567221, 4586427, 6115236, 7134442, 9172854, 10701663, 14268884, 18345708, 21403326, 32104989, 42806652, 64209978, 128419956]

約数ペア:

[(1, 128419956), (2, 64209978), (3, 42806652), (4, 32104989), (6, 21403326), (7, 18345708), (9, 14268884), (12, 10701663), (14, 9172854), (18, 7134442), (21, 6115236), (28, 4586427), (36, 3567221), (42, 3057618), (63, 2038412), (84, 1528809), (126, 1019206), (252, 509603)]