81550308

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19813}}^1$

素因数の和:19841

約数の個数: 48

約数和(自身を含む): 221916800

約数和(自身を除く): 140366492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19813, 39626, 59439, 79252, 118878, 138691, 237756, 277382, 416073, 554764, 832146, 970837, 1664292, 1941674, 2912511, 3883348, 5825022, 6795859, 11650044, 13591718, 20387577, 27183436, 40775154, 81550308]

約数ペア:

[(1, 81550308), (2, 40775154), (3, 27183436), (4, 20387577), (6, 13591718), (7, 11650044), (12, 6795859), (14, 5825022), (21, 3883348), (28, 2912511), (42, 1941674), (49, 1664292), (84, 970837), (98, 832146), (147, 554764), (196, 416073), (294, 277382), (343, 237756), (588, 138691), (686, 118878), (1029, 79252), (1372, 59439), (2058, 39626), (4116, 19813)]