13851175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 20623680

約数和(自身を除く): 6772505

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 109, 115, 221, 299, 325, 391, 425, 545, 575, 1105, 1417, 1495, 1853, 1955, 2507, 2725, 5083, 5525, 7085, 7475, 9265, 9775, 12535, 24089, 25415, 32591, 35425, 42619, 46325, 62675, 120445, 127075, 162955, 213095, 554047, 602225, 814775, 1065475, 2770235, 13851175]

約数ペア:

[(1, 13851175), (5, 2770235), (13, 1065475), (17, 814775), (23, 602225), (25, 554047), (65, 213095), (85, 162955), (109, 127075), (115, 120445), (221, 62675), (299, 46325), (325, 42619), (391, 35425), (425, 32591), (545, 25415), (575, 24089), (1105, 12535), (1417, 9775), (1495, 9265), (1853, 7475), (1955, 7085), (2507, 5525), (2725, 5083)]