81980304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243989}}^1$

素因数の和:244007

約数の個数: 40

約数和(自身を含む): 242038080

約数和(自身を除く): 160057776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243989, 487978, 731967, 975956, 1463934, 1707923, 1951912, 2927868, 3415846, 3903824, 5123769, 5855736, 6831692, 10247538, 11711472, 13663384, 20495076, 27326768, 40990152, 81980304]

約数ペア:

[(1, 81980304), (2, 40990152), (3, 27326768), (4, 20495076), (6, 13663384), (7, 11711472), (8, 10247538), (12, 6831692), (14, 5855736), (16, 5123769), (21, 3903824), (24, 3415846), (28, 2927868), (42, 1951912), (48, 1707923), (56, 1463934), (84, 975956), (112, 731967), (168, 487978), (336, 243989)]