129077552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 259661952

約数和(自身を除く): 130584400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 248, 394, 496, 788, 1321, 1576, 2642, 3152, 5284, 6107, 10568, 12214, 21136, 24428, 40951, 48856, 81902, 97712, 163804, 260237, 327608, 520474, 655216, 1040948, 2081896, 4163792, 8067347, 16134694, 32269388, 64538776, 129077552]

約数ペア:

[(1, 129077552), (2, 64538776), (4, 32269388), (8, 16134694), (16, 8067347), (31, 4163792), (62, 2081896), (124, 1040948), (197, 655216), (248, 520474), (394, 327608), (496, 260237), (788, 163804), (1321, 97712), (1576, 81902), (2642, 48856), (3152, 40951), (5284, 24428), (6107, 21136), (10568, 12214)]