217135912

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 478224000

約数和(自身を除く): 261088088

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 149, 212, 298, 371, 424, 491, 596, 742, 982, 1043, 1192, 1484, 1964, 2086, 2968, 3437, 3928, 4172, 6874, 7897, 8344, 13748, 15794, 26023, 27496, 31588, 52046, 55279, 63176, 73159, 104092, 110558, 146318, 182161, 208184, 221116, 292636, 364322, 442232, 512113, 585272, 728644, 1024226, 1457288, 2048452, 3877427, 4096904, 7754854, 15509708, 27141989, 31019416, 54283978, 108567956, 217135912]

約数ペア:

[(1, 217135912), (2, 108567956), (4, 54283978), (7, 31019416), (8, 27141989), (14, 15509708), (28, 7754854), (53, 4096904), (56, 3877427), (106, 2048452), (149, 1457288), (212, 1024226), (298, 728644), (371, 585272), (424, 512113), (491, 442232), (596, 364322), (742, 292636), (982, 221116), (1043, 208184), (1192, 182161), (1484, 146318), (1964, 110558), (2086, 104092), (2968, 73159), (3437, 63176), (3928, 55279), (4172, 52046), (6874, 31588), (7897, 27496), (8344, 26023), (13748, 15794)]