16401994

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 13146806

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 569, 994, 1138, 2059, 3983, 4118, 7966, 14413, 16501, 28826, 33002, 40399, 80798, 115507, 231014, 282793, 565586, 1171571, 2343142, 8200997, 16401994]

約数ペア:

[(1, 16401994), (2, 8200997), (7, 2343142), (14, 1171571), (29, 565586), (58, 282793), (71, 231014), (142, 115507), (203, 80798), (406, 40399), (497, 33002), (569, 28826), (994, 16501), (1138, 14413), (2059, 7966), (3983, 4118)]