620703902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 1180569600

約数和(自身を除く): 559865698

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 149, 182, 298, 329, 487, 611, 658, 974, 1043, 1222, 1937, 2086, 3409, 3874, 4277, 6331, 6818, 7003, 8554, 12662, 13559, 14006, 22889, 27118, 44317, 45778, 49021, 72563, 88634, 91039, 98042, 145126, 160223, 182078, 297557, 320446, 507941, 595114, 637273, 943319, 1015882, 1274546, 1886638, 2082899, 3410461, 4165798, 6603233, 6820922, 13206466, 23873227, 44335993, 47746454, 88671986, 310351951, 620703902]

約数ペア:

[(1, 620703902), (2, 310351951), (7, 88671986), (13, 47746454), (14, 44335993), (26, 23873227), (47, 13206466), (91, 6820922), (94, 6603233), (149, 4165798), (182, 3410461), (298, 2082899), (329, 1886638), (487, 1274546), (611, 1015882), (658, 943319), (974, 637273), (1043, 595114), (1222, 507941), (1937, 320446), (2086, 297557), (3409, 182078), (3874, 160223), (4277, 145126), (6331, 98042), (6818, 91039), (7003, 88634), (8554, 72563), (12662, 49021), (13559, 45778), (14006, 44317), (22889, 27118)]