838765408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{19963}}^1$

素因数の和:20087

約数の個数: 48

約数和(自身を含む): 1796041296

約数和(自身を除く): 957275888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 808, 1313, 1616, 2626, 3232, 5252, 10504, 19963, 21008, 39926, 42016, 79852, 159704, 259519, 319408, 519038, 638816, 1038076, 2016263, 2076152, 4032526, 4152304, 8065052, 8304608, 16130104, 26211419, 32260208, 52422838, 64520416, 104845676, 209691352, 419382704, 838765408]

約数ペア:

[(1, 838765408), (2, 419382704), (4, 209691352), (8, 104845676), (13, 64520416), (16, 52422838), (26, 32260208), (32, 26211419), (52, 16130104), (101, 8304608), (104, 8065052), (202, 4152304), (208, 4032526), (404, 2076152), (416, 2016263), (808, 1038076), (1313, 638816), (1616, 519038), (2626, 319408), (3232, 259519), (5252, 159704), (10504, 79852), (19963, 42016), (21008, 39926)]