27780454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 46267200

約数和(自身を除く): 18486746

約数列:

[1, 2, 13, 26, 71, 101, 142, 149, 202, 298, 923, 1313, 1846, 1937, 2626, 3874, 7171, 10579, 14342, 15049, 21158, 30098, 93223, 137527, 186446, 195637, 275054, 391274, 1068479, 2136958, 13890227, 27780454]

約数ペア:

[(1, 27780454), (2, 13890227), (13, 2136958), (26, 1068479), (71, 391274), (101, 275054), (142, 195637), (149, 186446), (202, 137527), (298, 93223), (923, 30098), (1313, 21158), (1846, 15049), (1937, 14342), (2626, 10579), (3874, 7171)]