638143270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{4241}}^1$

素因数の和:4656

約数の個数: 32

約数和(自身を含む): 1180158336

約数和(自身を除く): 542015066

約数列:

[1, 2, 5, 10, 41, 82, 205, 367, 410, 734, 1835, 3670, 4241, 8482, 15047, 21205, 30094, 42410, 75235, 150470, 173881, 347762, 869405, 1556447, 1738810, 3112894, 7782235, 15564470, 63814327, 127628654, 319071635, 638143270]

約数ペア:

[(1, 638143270), (2, 319071635), (5, 127628654), (10, 63814327), (41, 15564470), (82, 7782235), (205, 3112894), (367, 1738810), (410, 1556447), (734, 869405), (1835, 347762), (3670, 173881), (4241, 150470), (8482, 75235), (15047, 42410), (21205, 30094)]