398655908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{12413}}^1$

素因数の和:12492

約数の個数: 48

約数和(自身を含む): 845343744

約数和(自身を除く): 446687836

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 8029, 12413, 16058, 24826, 32116, 49652, 86891, 173782, 347564, 384803, 459281, 769606, 918562, 1539212, 1837124, 2693621, 3214967, 5387242, 6429934, 10774484, 12859868, 14237711, 28475422, 56950844, 99663977, 199327954, 398655908]

約数ペア:

[(1, 398655908), (2, 199327954), (4, 99663977), (7, 56950844), (14, 28475422), (28, 14237711), (31, 12859868), (37, 10774484), (62, 6429934), (74, 5387242), (124, 3214967), (148, 2693621), (217, 1837124), (259, 1539212), (434, 918562), (518, 769606), (868, 459281), (1036, 384803), (1147, 347564), (2294, 173782), (4588, 86891), (8029, 49652), (12413, 32116), (16058, 24826)]