689914946

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 1268103168

約数和(自身を除く): 578188222

約数列:

[1, 2, 7, 14, 23, 46, 67, 113, 134, 161, 226, 283, 322, 469, 566, 791, 938, 1541, 1582, 1981, 2599, 3082, 3962, 5198, 6509, 7571, 10787, 13018, 15142, 18193, 18961, 21574, 31979, 36386, 37922, 45563, 52997, 63958, 91126, 105994, 132727, 174133, 223853, 265454, 348266, 436103, 447706, 735517, 872206, 1218931, 1471034, 2142593, 2437862, 3052721, 4285186, 5148619, 6105442, 10297238, 14998151, 29996302, 49279639, 98559278, 344957473, 689914946]

約数ペア:

[(1, 689914946), (2, 344957473), (7, 98559278), (14, 49279639), (23, 29996302), (46, 14998151), (67, 10297238), (113, 6105442), (134, 5148619), (161, 4285186), (226, 3052721), (283, 2437862), (322, 2142593), (469, 1471034), (566, 1218931), (791, 872206), (938, 735517), (1541, 447706), (1582, 436103), (1981, 348266), (2599, 265454), (3082, 223853), (3962, 174133), (5198, 132727), (6509, 105994), (7571, 91126), (10787, 63958), (13018, 52997), (15142, 45563), (18193, 37922), (18961, 36386), (21574, 31979)]