788334415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 1124928000

約数和(自身を除く): 336593585

約数列:

[1, 5, 11, 19, 55, 61, 83, 95, 149, 209, 305, 415, 671, 745, 913, 1045, 1159, 1577, 1639, 2831, 3355, 4565, 5063, 5795, 7885, 8195, 9089, 12367, 12749, 14155, 17347, 25315, 31141, 45445, 55693, 61835, 63745, 86735, 96197, 99979, 136037, 155705, 172691, 234973, 278465, 480985, 499895, 680185, 754387, 863455, 1058167, 1174865, 1899601, 2584703, 3771935, 5290835, 8298257, 9498005, 12923515, 14333353, 41491285, 71666765, 157666883, 788334415]

約数ペア:

[(1, 788334415), (5, 157666883), (11, 71666765), (19, 41491285), (55, 14333353), (61, 12923515), (83, 9498005), (95, 8298257), (149, 5290835), (209, 3771935), (305, 2584703), (415, 1899601), (671, 1174865), (745, 1058167), (913, 863455), (1045, 754387), (1159, 680185), (1577, 499895), (1639, 480985), (2831, 278465), (3355, 234973), (4565, 172691), (5063, 155705), (5795, 136037), (7885, 99979), (8195, 96197), (9089, 86735), (12367, 63745), (12749, 61835), (14155, 55693), (17347, 45445), (25315, 31141)]