71249975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 100761408

約数和(自身を除く): 29511433

約数列:

[1, 5, 17, 23, 25, 37, 85, 115, 185, 197, 391, 425, 575, 629, 851, 925, 985, 1955, 3145, 3349, 4255, 4531, 4925, 7289, 9775, 14467, 15725, 16745, 21275, 22655, 36445, 72335, 77027, 83725, 113275, 123913, 167647, 182225, 361675, 385135, 619565, 838235, 1925675, 2849999, 3097825, 4191175, 14249995, 71249975]

約数ペア:

[(1, 71249975), (5, 14249995), (17, 4191175), (23, 3097825), (25, 2849999), (37, 1925675), (85, 838235), (115, 619565), (185, 385135), (197, 361675), (391, 182225), (425, 167647), (575, 123913), (629, 113275), (851, 83725), (925, 77027), (985, 72335), (1955, 36445), (3145, 22655), (3349, 21275), (4255, 16745), (4531, 15725), (4925, 14467), (7289, 9775)]