1338876678

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:973

約数の個数: 64

約数和(自身を含む): 2804820480

約数和(自身を除く): 1465943802

約数列:

[1, 2, 3, 6, 61, 67, 71, 122, 134, 142, 183, 201, 213, 366, 402, 426, 769, 1538, 2307, 4087, 4331, 4614, 4757, 8174, 8662, 9514, 12261, 12993, 14271, 24522, 25986, 28542, 46909, 51523, 54599, 93818, 103046, 109198, 140727, 154569, 163797, 281454, 290177, 309138, 327594, 580354, 870531, 1741062, 3142903, 3330539, 3658133, 6285806, 6661078, 7316266, 9428709, 9991617, 10974399, 18857418, 19983234, 21948798, 223146113, 446292226, 669438339, 1338876678]

約数ペア:

[(1, 1338876678), (2, 669438339), (3, 446292226), (6, 223146113), (61, 21948798), (67, 19983234), (71, 18857418), (122, 10974399), (134, 9991617), (142, 9428709), (183, 7316266), (201, 6661078), (213, 6285806), (366, 3658133), (402, 3330539), (426, 3142903), (769, 1741062), (1538, 870531), (2307, 580354), (4087, 327594), (4331, 309138), (4614, 290177), (4757, 281454), (8174, 163797), (8662, 154569), (9514, 140727), (12261, 109198), (12993, 103046), (14271, 93818), (24522, 54599), (25986, 51523), (28542, 46909)]