131018915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 171694080

約数和(自身を除く): 40675165

約数列:

[1, 5, 17, 53, 85, 127, 229, 265, 635, 901, 1145, 2159, 3893, 4505, 6731, 10795, 12137, 19465, 29083, 33655, 60685, 114427, 145415, 206329, 494411, 572135, 1031645, 1541399, 2472055, 7706995, 26203783, 131018915]

約数ペア:

[(1, 131018915), (5, 26203783), (17, 7706995), (53, 2472055), (85, 1541399), (127, 1031645), (229, 572135), (265, 494411), (635, 206329), (901, 145415), (1145, 114427), (2159, 60685), (3893, 33655), (4505, 29083), (6731, 19465), (10795, 12137)]