201871345

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 296110080

約数和(自身を除く): 94238735

約数列:

[1, 5, 13, 17, 23, 47, 65, 85, 115, 169, 221, 235, 299, 391, 611, 799, 845, 1081, 1105, 1495, 1955, 2197, 2873, 3055, 3887, 3995, 5083, 5405, 7943, 10387, 10985, 14053, 14365, 18377, 19435, 25415, 37349, 39715, 50531, 51935, 66079, 70265, 91885, 103259, 135031, 182689, 186745, 238901, 252655, 330395, 516295, 675155, 859027, 913445, 1194505, 1755403, 2374957, 3105713, 4295135, 8777015, 11874785, 15528565, 40374269, 201871345]

約数ペア:

[(1, 201871345), (5, 40374269), (13, 15528565), (17, 11874785), (23, 8777015), (47, 4295135), (65, 3105713), (85, 2374957), (115, 1755403), (169, 1194505), (221, 913445), (235, 859027), (299, 675155), (391, 516295), (611, 330395), (799, 252655), (845, 238901), (1081, 186745), (1105, 182689), (1495, 135031), (1955, 103259), (2197, 91885), (2873, 70265), (3055, 66079), (3887, 51935), (3995, 50531), (5083, 39715), (5405, 37349), (7943, 25415), (10387, 19435), (10985, 18377), (14053, 14365)]