405907852

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1069}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 828334080

約数和(自身を除く): 422426228

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 191, 284, 382, 497, 764, 994, 1069, 1337, 1988, 2138, 2674, 4276, 5348, 7483, 13561, 14966, 27122, 29932, 54244, 75899, 94927, 151798, 189854, 204179, 303596, 379708, 408358, 531293, 816716, 1062586, 1429253, 2125172, 2858506, 5717012, 14496709, 28993418, 57986836, 101476963, 202953926, 405907852]

約数ペア:

[(1, 405907852), (2, 202953926), (4, 101476963), (7, 57986836), (14, 28993418), (28, 14496709), (71, 5717012), (142, 2858506), (191, 2125172), (284, 1429253), (382, 1062586), (497, 816716), (764, 531293), (994, 408358), (1069, 379708), (1337, 303596), (1988, 204179), (2138, 189854), (2674, 151798), (4276, 94927), (5348, 75899), (7483, 54244), (13561, 29932), (14966, 27122)]