128515688

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 283651200

約数和(自身を除く): 155135512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 97, 118, 194, 236, 388, 401, 413, 472, 679, 776, 802, 826, 1358, 1604, 1652, 2716, 2807, 3208, 3304, 5432, 5614, 5723, 11228, 11446, 22456, 22892, 23659, 38897, 40061, 45784, 47318, 77794, 80122, 94636, 155588, 160244, 165613, 189272, 272279, 311176, 320488, 331226, 544558, 662452, 1089116, 1324904, 2178232, 2294923, 4589846, 9179692, 16064461, 18359384, 32128922, 64257844, 128515688]

約数ペア:

[(1, 128515688), (2, 64257844), (4, 32128922), (7, 18359384), (8, 16064461), (14, 9179692), (28, 4589846), (56, 2294923), (59, 2178232), (97, 1324904), (118, 1089116), (194, 662452), (236, 544558), (388, 331226), (401, 320488), (413, 311176), (472, 272279), (679, 189272), (776, 165613), (802, 160244), (826, 155588), (1358, 94636), (1604, 80122), (1652, 77794), (2716, 47318), (2807, 45784), (3208, 40061), (3304, 38897), (5432, 23659), (5614, 22892), (5723, 22456), (11228, 11446)]