647580460

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{8191}}^1$

素因数の和:8326

約数の個数: 48

約数和(自身を含む): 1403781120

約数和(自身を除く): 756200660

約数列:

[1, 2, 4, 5, 10, 20, 59, 67, 118, 134, 236, 268, 295, 335, 590, 670, 1180, 1340, 3953, 7906, 8191, 15812, 16382, 19765, 32764, 39530, 40955, 79060, 81910, 163820, 483269, 548797, 966538, 1097594, 1933076, 2195188, 2416345, 2743985, 4832690, 5487970, 9665380, 10975940, 32379023, 64758046, 129516092, 161895115, 323790230, 647580460]

約数ペア:

[(1, 647580460), (2, 323790230), (4, 161895115), (5, 129516092), (10, 64758046), (20, 32379023), (59, 10975940), (67, 9665380), (118, 5487970), (134, 4832690), (236, 2743985), (268, 2416345), (295, 2195188), (335, 1933076), (590, 1097594), (670, 966538), (1180, 548797), (1340, 483269), (3953, 163820), (7906, 81910), (8191, 79060), (15812, 40955), (16382, 39530), (19765, 32764)]