997314990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{66889}}^1$

素因数の和:66977

約数の個数: 64

約数和(自身を含む): 2774062080

約数和(自身を除く): 1776747090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 7455, 14910, 66889, 133778, 200667, 334445, 401334, 468223, 668890, 936446, 1003335, 1404669, 2006670, 2341115, 2809338, 4682230, 4749119, 7023345, 9498238, 14046690, 14247357, 23745595, 28494714, 33243833, 47491190, 66487666, 71236785, 99731499, 142473570, 166219165, 199462998, 332438330, 498657495, 997314990]

約数ペア:

[(1, 997314990), (2, 498657495), (3, 332438330), (5, 199462998), (6, 166219165), (7, 142473570), (10, 99731499), (14, 71236785), (15, 66487666), (21, 47491190), (30, 33243833), (35, 28494714), (42, 23745595), (70, 14247357), (71, 14046690), (105, 9498238), (142, 7023345), (210, 4749119), (213, 4682230), (355, 2809338), (426, 2341115), (497, 2006670), (710, 1404669), (994, 1003335), (1065, 936446), (1491, 668890), (2130, 468223), (2485, 401334), (2982, 334445), (4970, 200667), (7455, 133778), (14910, 66889)]