218247978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1711

約数の個数: 64

約数和(自身を含む): 493355520

約数和(自身を除く): 275107542

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 47, 74, 78, 94, 111, 141, 222, 282, 481, 611, 962, 1222, 1443, 1609, 1739, 1833, 2886, 3218, 3478, 3666, 4827, 5217, 9654, 10434, 20917, 22607, 41834, 45214, 59533, 62751, 67821, 75623, 119066, 125502, 135642, 151246, 178599, 226869, 357198, 453738, 773929, 983099, 1547858, 1966198, 2321787, 2798051, 2949297, 4643574, 5596102, 5898594, 8394153, 16788306, 36374663, 72749326, 109123989, 218247978]

約数ペア:

[(1, 218247978), (2, 109123989), (3, 72749326), (6, 36374663), (13, 16788306), (26, 8394153), (37, 5898594), (39, 5596102), (47, 4643574), (74, 2949297), (78, 2798051), (94, 2321787), (111, 1966198), (141, 1547858), (222, 983099), (282, 773929), (481, 453738), (611, 357198), (962, 226869), (1222, 178599), (1443, 151246), (1609, 135642), (1739, 125502), (1833, 119066), (2886, 75623), (3218, 67821), (3478, 62751), (3666, 59533), (4827, 45214), (5217, 41834), (9654, 22607), (10434, 20917)]