12778458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 33758208

約数和(自身を除く): 20979750

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 1627, 2618, 3254, 3927, 4881, 7854, 9762, 11389, 17897, 22778, 27659, 34167, 35794, 53691, 55318, 68334, 82977, 107382, 125279, 165954, 193613, 250558, 304249, 375837, 387226, 580839, 608498, 751674, 912747, 1161678, 1825494, 2129743, 4259486, 6389229, 12778458]

約数ペア:

[(1, 12778458), (2, 6389229), (3, 4259486), (6, 2129743), (7, 1825494), (11, 1161678), (14, 912747), (17, 751674), (21, 608498), (22, 580839), (33, 387226), (34, 375837), (42, 304249), (51, 250558), (66, 193613), (77, 165954), (102, 125279), (119, 107382), (154, 82977), (187, 68334), (231, 55318), (238, 53691), (357, 35794), (374, 34167), (462, 27659), (561, 22778), (714, 17897), (1122, 11389), (1309, 9762), (1627, 7854), (2618, 4881), (3254, 3927)]