28906308

素因数分解:

$2^2\times 3^6\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:476

約数の個数: 84

約数和(自身を含む): 79325568

約数和(自身を除く): 50419260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 431, 486, 621, 729, 828, 862, 972, 1242, 1293, 1458, 1724, 1863, 2484, 2586, 2916, 3726, 3879, 5172, 5589, 7452, 7758, 9913, 11178, 11637, 15516, 16767, 19826, 22356, 23274, 29739, 33534, 34911, 39652, 46548, 59478, 67068, 69822, 89217, 104733, 118956, 139644, 178434, 209466, 267651, 314199, 356868, 418932, 535302, 628398, 802953, 1070604, 1256796, 1605906, 2408859, 3211812, 4817718, 7226577, 9635436, 14453154, 28906308]

約数ペア:

[(1, 28906308), (2, 14453154), (3, 9635436), (4, 7226577), (6, 4817718), (9, 3211812), (12, 2408859), (18, 1605906), (23, 1256796), (27, 1070604), (36, 802953), (46, 628398), (54, 535302), (69, 418932), (81, 356868), (92, 314199), (108, 267651), (138, 209466), (162, 178434), (207, 139644), (243, 118956), (276, 104733), (324, 89217), (414, 69822), (431, 67068), (486, 59478), (621, 46548), (729, 39652), (828, 34911), (862, 33534), (972, 29739), (1242, 23274), (1293, 22356), (1458, 19826), (1724, 16767), (1863, 15516), (2484, 11637), (2586, 11178), (2916, 9913), (3726, 7758), (3879, 7452), (5172, 5589)]