647432838

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{307423}}^1$

素因数の和:307450

約数の個数: 40

約数和(自身を含む): 1562328768

約数和(自身を除く): 914895930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 307423, 614846, 922269, 1844538, 2766807, 3996499, 5533614, 7992998, 8300421, 11989497, 16600842, 23978994, 24901263, 35968491, 49802526, 71936982, 107905473, 215810946, 323716419, 647432838]

約数ペア:

[(1, 647432838), (2, 323716419), (3, 215810946), (6, 107905473), (9, 71936982), (13, 49802526), (18, 35968491), (26, 24901263), (27, 23978994), (39, 16600842), (54, 11989497), (78, 8300421), (81, 7992998), (117, 5533614), (162, 3996499), (234, 2766807), (351, 1844538), (702, 922269), (1053, 614846), (2106, 307423)]