1640597945

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{4817}}^1$

素因数の和:5129

約数の個数: 32

約数和(自身を含む): 2320040448

約数和(自身を除く): 679442503

約数列:

[1, 5, 7, 35, 37, 185, 259, 263, 1295, 1315, 1841, 4817, 9205, 9731, 24085, 33719, 48655, 68117, 168595, 178229, 340585, 891145, 1247603, 1266871, 6238015, 6334355, 8868097, 44340485, 46874227, 234371135, 328119589, 1640597945]

約数ペア:

[(1, 1640597945), (5, 328119589), (7, 234371135), (35, 46874227), (37, 44340485), (185, 8868097), (259, 6334355), (263, 6238015), (1295, 1266871), (1315, 1247603), (1841, 891145), (4817, 340585), (9205, 178229), (9731, 168595), (24085, 68117), (33719, 48655)]