131253008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 263554560

約数和(自身を除く): 132301552

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 409, 496, 647, 818, 1294, 1636, 2588, 3272, 5176, 6544, 10352, 12679, 20057, 25358, 40114, 50716, 80228, 101432, 160456, 202864, 264623, 320912, 529246, 1058492, 2116984, 4233968, 8203313, 16406626, 32813252, 65626504, 131253008]

約数ペア:

[(1, 131253008), (2, 65626504), (4, 32813252), (8, 16406626), (16, 8203313), (31, 4233968), (62, 2116984), (124, 1058492), (248, 529246), (409, 320912), (496, 264623), (647, 202864), (818, 160456), (1294, 101432), (1636, 80228), (2588, 50716), (3272, 40114), (5176, 25358), (6544, 20057), (10352, 12679)]