31398472

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 38585528

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 71, 106, 142, 149, 212, 284, 298, 371, 424, 497, 568, 596, 742, 994, 1043, 1192, 1484, 1988, 2086, 2968, 3763, 3976, 4172, 7526, 7897, 8344, 10579, 15052, 15794, 21158, 26341, 30104, 31588, 42316, 52682, 55279, 63176, 74053, 84632, 105364, 110558, 148106, 210728, 221116, 296212, 442232, 560687, 592424, 1121374, 2242748, 3924809, 4485496, 7849618, 15699236, 31398472]

約数ペア:

[(1, 31398472), (2, 15699236), (4, 7849618), (7, 4485496), (8, 3924809), (14, 2242748), (28, 1121374), (53, 592424), (56, 560687), (71, 442232), (106, 296212), (142, 221116), (149, 210728), (212, 148106), (284, 110558), (298, 105364), (371, 84632), (424, 74053), (497, 63176), (568, 55279), (596, 52682), (742, 42316), (994, 31588), (1043, 30104), (1192, 26341), (1484, 21158), (1988, 15794), (2086, 15052), (2968, 10579), (3763, 8344), (3976, 7897), (4172, 7526)]