645987498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{435889}}^1$

素因数の和:435926

約数の個数: 32

約数和(自身を含む): 1464590400

約数和(自身を除く): 818602902

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 435889, 871778, 1307667, 2615334, 5666557, 8281891, 11333114, 16563782, 16999671, 24845673, 33999342, 49691346, 107664583, 215329166, 322993749, 645987498]

約数ペア:

[(1, 645987498), (2, 322993749), (3, 215329166), (6, 107664583), (13, 49691346), (19, 33999342), (26, 24845673), (38, 16999671), (39, 16563782), (57, 11333114), (78, 8281891), (114, 5666557), (247, 2615334), (494, 1307667), (741, 871778), (1482, 435889)]