128894892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{983}}^1$

素因数の和:1227

約数の個数: 72

約数和(自身を含む): 351783936

約数和(自身を除く): 222889044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 223, 294, 446, 588, 669, 892, 983, 1338, 1561, 1966, 2676, 2949, 3122, 3932, 4683, 5898, 6244, 6881, 9366, 10927, 11796, 13762, 18732, 20643, 21854, 27524, 32781, 41286, 43708, 48167, 65562, 82572, 96334, 131124, 144501, 192668, 219209, 289002, 438418, 578004, 657627, 876836, 1315254, 1534463, 2630508, 3068926, 4603389, 6137852, 9206778, 10741241, 18413556, 21482482, 32223723, 42964964, 64447446, 128894892]

約数ペア:

[(1, 128894892), (2, 64447446), (3, 42964964), (4, 32223723), (6, 21482482), (7, 18413556), (12, 10741241), (14, 9206778), (21, 6137852), (28, 4603389), (42, 3068926), (49, 2630508), (84, 1534463), (98, 1315254), (147, 876836), (196, 657627), (223, 578004), (294, 438418), (446, 289002), (588, 219209), (669, 192668), (892, 144501), (983, 131124), (1338, 96334), (1561, 82572), (1966, 65562), (2676, 48167), (2949, 43708), (3122, 41286), (3932, 32781), (4683, 27524), (5898, 21854), (6244, 20643), (6881, 18732), (9366, 13762), (10927, 11796)]