131365904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:863

約数の個数: 40

約数和(自身を含む): 259858368

約数和(自身を除く): 128492464

約数列:

[1, 2, 4, 8, 16, 71, 142, 197, 284, 394, 568, 587, 788, 1136, 1174, 1576, 2348, 3152, 4696, 9392, 13987, 27974, 41677, 55948, 83354, 111896, 115639, 166708, 223792, 231278, 333416, 462556, 666832, 925112, 1850224, 8210369, 16420738, 32841476, 65682952, 131365904]

約数ペア:

[(1, 131365904), (2, 65682952), (4, 32841476), (8, 16420738), (16, 8210369), (71, 1850224), (142, 925112), (197, 666832), (284, 462556), (394, 333416), (568, 231278), (587, 223792), (788, 166708), (1136, 115639), (1174, 111896), (1576, 83354), (2348, 55948), (3152, 41677), (4696, 27974), (9392, 13987)]