1640294404

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{12547}}^1$

素因数の和:12617

約数の個数: 72

約数和(自身を含む): 3604789440

約数和(自身を除く): 1964495036

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 49, 58, 92, 98, 116, 161, 196, 203, 322, 406, 644, 667, 812, 1127, 1334, 1421, 2254, 2668, 2842, 4508, 4669, 5684, 9338, 12547, 18676, 25094, 32683, 50188, 65366, 87829, 130732, 175658, 288581, 351316, 363863, 577162, 614803, 727726, 1154324, 1229606, 1455452, 2020067, 2459212, 2547041, 4040134, 5094082, 8080268, 8368849, 10188164, 14140469, 16737698, 17829287, 28280938, 33475396, 35658574, 56561876, 58581943, 71317148, 117163886, 234327772, 410073601, 820147202, 1640294404]

約数ペア:

[(1, 1640294404), (2, 820147202), (4, 410073601), (7, 234327772), (14, 117163886), (23, 71317148), (28, 58581943), (29, 56561876), (46, 35658574), (49, 33475396), (58, 28280938), (92, 17829287), (98, 16737698), (116, 14140469), (161, 10188164), (196, 8368849), (203, 8080268), (322, 5094082), (406, 4040134), (644, 2547041), (667, 2459212), (812, 2020067), (1127, 1455452), (1334, 1229606), (1421, 1154324), (2254, 727726), (2668, 614803), (2842, 577162), (4508, 363863), (4669, 351316), (5684, 288581), (9338, 175658), (12547, 130732), (18676, 87829), (25094, 65366), (32683, 50188)]