658481668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 1258113024

約数和(自身を除く): 599631356

約数列:

[1, 2, 4, 13, 26, 52, 167, 191, 334, 382, 397, 668, 764, 794, 1588, 2171, 2483, 4342, 4966, 5161, 8684, 9932, 10322, 20644, 31897, 63794, 66299, 75827, 127588, 132598, 151654, 265196, 303308, 414661, 829322, 861887, 985751, 1658644, 1723774, 1971502, 3447548, 3943004, 12663109, 25326218, 50652436, 164620417, 329240834, 658481668]

約数ペア:

[(1, 658481668), (2, 329240834), (4, 164620417), (13, 50652436), (26, 25326218), (52, 12663109), (167, 3943004), (191, 3447548), (334, 1971502), (382, 1723774), (397, 1658644), (668, 985751), (764, 861887), (794, 829322), (1588, 414661), (2171, 303308), (2483, 265196), (4342, 151654), (4966, 132598), (5161, 127588), (8684, 75827), (9932, 66299), (10322, 63794), (20644, 31897)]