218915706784

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{47659}}^1$

素因数の和:47850

約数の個数: 72

約数和(自身を含む): 455503396320

約数和(自身を除く): 236587689536

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 368, 632, 736, 1264, 1817, 2528, 3634, 6241, 7268, 12482, 14536, 24964, 29072, 47659, 49928, 58144, 95318, 99856, 143543, 190636, 199712, 287086, 381272, 574172, 762544, 1096157, 1148344, 1525088, 2192314, 2296688, 3765061, 4384628, 4593376, 7530122, 8769256, 15060244, 17538512, 30120488, 35077024, 60240976, 86596403, 120481952, 173192806, 297439819, 346385612, 594879638, 692771224, 1189759276, 1385542448, 2379518552, 2771084896, 4759037104, 6841115837, 9518074208, 13682231674, 27364463348, 54728926696, 109457853392, 218915706784]

約数ペア:

[(1, 218915706784), (2, 109457853392), (4, 54728926696), (8, 27364463348), (16, 13682231674), (23, 9518074208), (32, 6841115837), (46, 4759037104), (79, 2771084896), (92, 2379518552), (158, 1385542448), (184, 1189759276), (316, 692771224), (368, 594879638), (632, 346385612), (736, 297439819), (1264, 173192806), (1817, 120481952), (2528, 86596403), (3634, 60240976), (6241, 35077024), (7268, 30120488), (12482, 17538512), (14536, 15060244), (24964, 8769256), (29072, 7530122), (47659, 4593376), (49928, 4384628), (58144, 3765061), (95318, 2296688), (99856, 2192314), (143543, 1525088), (190636, 1148344), (199712, 1096157), (287086, 762544), (381272, 574172)]