1640355906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{2099}}^1$

素因数の和:2943

約数の個数: 64

約数和(自身を含む): 3919104000

約数和(自身を除く): 2278748094

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 809, 966, 1618, 2099, 2427, 4198, 4854, 5663, 6297, 11326, 12594, 14693, 16989, 18607, 29386, 33978, 37214, 44079, 48277, 55821, 88158, 96554, 111642, 130249, 144831, 260498, 289662, 337939, 390747, 675878, 781494, 1013817, 1698091, 2027634, 3396182, 5094273, 10188546, 11886637, 23773274, 35659911, 39056093, 71319822, 78112186, 117168279, 234336558, 273392651, 546785302, 820177953, 1640355906]

約数ペア:

[(1, 1640355906), (2, 820177953), (3, 546785302), (6, 273392651), (7, 234336558), (14, 117168279), (21, 78112186), (23, 71319822), (42, 39056093), (46, 35659911), (69, 23773274), (138, 11886637), (161, 10188546), (322, 5094273), (483, 3396182), (809, 2027634), (966, 1698091), (1618, 1013817), (2099, 781494), (2427, 675878), (4198, 390747), (4854, 337939), (5663, 289662), (6297, 260498), (11326, 144831), (12594, 130249), (14693, 111642), (16989, 96554), (18607, 88158), (29386, 55821), (33978, 48277), (37214, 44079)]