64410736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{309667}}^1$

素因数の和:309688

約数の個数: 20

約数和(自身を含む): 134395912

約数和(自身を除く): 69985176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 309667, 619334, 1238668, 2477336, 4025671, 4954672, 8051342, 16102684, 32205368, 64410736]

約数ペア:

[(1, 64410736), (2, 32205368), (4, 16102684), (8, 8051342), (13, 4954672), (16, 4025671), (26, 2477336), (52, 1238668), (104, 619334), (208, 309667)]