28203474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 36308526

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 79, 138, 158, 199, 237, 299, 398, 474, 597, 598, 897, 1027, 1194, 1794, 1817, 2054, 2587, 3081, 3634, 4577, 5174, 5451, 6162, 7761, 9154, 10902, 13731, 15522, 15721, 23621, 27462, 31442, 47163, 47242, 59501, 70863, 94326, 119002, 141726, 178503, 204373, 357006, 361583, 408746, 613119, 723166, 1084749, 1226238, 2169498, 4700579, 9401158, 14101737, 28203474]

約数ペア:

[(1, 28203474), (2, 14101737), (3, 9401158), (6, 4700579), (13, 2169498), (23, 1226238), (26, 1084749), (39, 723166), (46, 613119), (69, 408746), (78, 361583), (79, 357006), (138, 204373), (158, 178503), (199, 141726), (237, 119002), (299, 94326), (398, 70863), (474, 59501), (597, 47242), (598, 47163), (897, 31442), (1027, 27462), (1194, 23621), (1794, 15721), (1817, 15522), (2054, 13731), (2587, 10902), (3081, 9154), (3634, 7761), (4577, 6162), (5174, 5451)]