618775820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{35521}}^1$

素因数の和:35610

約数の個数: 48

約数和(自身を含む): 1420311648

約数和(自身を除く): 801535828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 35521, 71042, 142084, 177605, 355210, 461773, 710420, 923546, 1847092, 2308865, 2379907, 4617730, 4759814, 9235460, 9519628, 11899535, 23799070, 30938791, 47598140, 61877582, 123755164, 154693955, 309387910, 618775820]

約数ペア:

[(1, 618775820), (2, 309387910), (4, 154693955), (5, 123755164), (10, 61877582), (13, 47598140), (20, 30938791), (26, 23799070), (52, 11899535), (65, 9519628), (67, 9235460), (130, 4759814), (134, 4617730), (260, 2379907), (268, 2308865), (335, 1847092), (670, 923546), (871, 710420), (1340, 461773), (1742, 355210), (3484, 177605), (4355, 142084), (8710, 71042), (17420, 35521)]