28589288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 66648960

約数和(自身を除く): 38059672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 173, 182, 227, 346, 364, 454, 692, 728, 908, 1211, 1384, 1589, 1816, 2249, 2422, 2951, 3178, 4498, 4844, 5902, 6356, 8996, 9688, 11804, 12712, 15743, 17992, 20657, 23608, 31486, 39271, 41314, 62972, 78542, 82628, 125944, 157084, 165256, 274897, 314168, 510523, 549794, 1021046, 1099588, 2042092, 2199176, 3573661, 4084184, 7147322, 14294644, 28589288]

約数ペア:

[(1, 28589288), (2, 14294644), (4, 7147322), (7, 4084184), (8, 3573661), (13, 2199176), (14, 2042092), (26, 1099588), (28, 1021046), (52, 549794), (56, 510523), (91, 314168), (104, 274897), (173, 165256), (182, 157084), (227, 125944), (346, 82628), (364, 78542), (454, 62972), (692, 41314), (728, 39271), (908, 31486), (1211, 23608), (1384, 20657), (1589, 17992), (1816, 15743), (2249, 12712), (2422, 11804), (2951, 9688), (3178, 8996), (4498, 6356), (4844, 5902)]