401584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1348

約数の個数: 20

約数和(自身を含む): 819640

約数和(自身を除く): 418056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1321, 2642, 5284, 10568, 21136, 25099, 50198, 100396, 200792, 401584]

約数ペア:

[(1, 401584), (2, 200792), (4, 100396), (8, 50198), (16, 25099), (19, 21136), (38, 10568), (76, 5284), (152, 2642), (304, 1321)]