209768286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2357}}^1$

素因数の和:2545

約数の個数: 64

約数和(自身を含む): 519740928

約数和(自身を除く): 309972642

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 163, 182, 273, 326, 489, 546, 978, 1141, 2119, 2282, 2357, 3423, 4238, 4714, 6357, 6846, 7071, 12714, 14142, 14833, 16499, 29666, 30641, 32998, 44499, 49497, 61282, 88998, 91923, 98994, 183846, 214487, 384191, 428974, 643461, 768382, 1152573, 1286922, 2305146, 2689337, 4994483, 5378674, 8068011, 9988966, 14983449, 16136022, 29966898, 34961381, 69922762, 104884143, 209768286]

約数ペア:

[(1, 209768286), (2, 104884143), (3, 69922762), (6, 34961381), (7, 29966898), (13, 16136022), (14, 14983449), (21, 9988966), (26, 8068011), (39, 5378674), (42, 4994483), (78, 2689337), (91, 2305146), (163, 1286922), (182, 1152573), (273, 768382), (326, 643461), (489, 428974), (546, 384191), (978, 214487), (1141, 183846), (2119, 98994), (2282, 91923), (2357, 88998), (3423, 61282), (4238, 49497), (4714, 44499), (6357, 32998), (6846, 30641), (7071, 29666), (12714, 16499), (14142, 14833)]