388634766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{787}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 844458624

約数和(自身を除く): 455823858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 487, 507, 787, 974, 1014, 1461, 1574, 2361, 2922, 4722, 6331, 10231, 12662, 18993, 20462, 30693, 37986, 61386, 82303, 133003, 164606, 246909, 266006, 383269, 399009, 493818, 766538, 798018, 1149807, 2299614, 4982497, 9964994, 14947491, 29894982, 64772461, 129544922, 194317383, 388634766]

約数ペア:

[(1, 388634766), (2, 194317383), (3, 129544922), (6, 64772461), (13, 29894982), (26, 14947491), (39, 9964994), (78, 4982497), (169, 2299614), (338, 1149807), (487, 798018), (507, 766538), (787, 493818), (974, 399009), (1014, 383269), (1461, 266006), (1574, 246909), (2361, 164606), (2922, 133003), (4722, 82303), (6331, 61386), (10231, 37986), (12662, 30693), (18993, 20462)]