664752394

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 1151656704

約数和(自身を除く): 486904310

約数列:

[1, 2, 17, 23, 34, 43, 46, 53, 86, 106, 373, 391, 731, 746, 782, 901, 989, 1219, 1462, 1802, 1978, 2279, 2438, 4558, 6341, 8579, 12682, 16039, 16813, 17158, 19769, 20723, 32078, 33626, 38743, 39538, 41446, 52417, 77486, 104834, 145843, 272663, 291686, 336073, 368897, 454687, 545326, 672146, 737794, 850067, 891089, 909374, 1700134, 1782178, 6271249, 7729679, 12542498, 14451139, 15459358, 19551541, 28902278, 39103082, 332376197, 664752394]

約数ペア:

[(1, 664752394), (2, 332376197), (17, 39103082), (23, 28902278), (34, 19551541), (43, 15459358), (46, 14451139), (53, 12542498), (86, 7729679), (106, 6271249), (373, 1782178), (391, 1700134), (731, 909374), (746, 891089), (782, 850067), (901, 737794), (989, 672146), (1219, 545326), (1462, 454687), (1802, 368897), (1978, 336073), (2279, 291686), (2438, 272663), (4558, 145843), (6341, 104834), (8579, 77486), (12682, 52417), (16039, 41446), (16813, 39538), (17158, 38743), (19769, 33626), (20723, 32078)]