71639425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 108118080

約数和(自身を除く): 36478655

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 143, 145, 275, 319, 325, 377, 691, 715, 725, 1595, 1885, 3455, 3575, 4147, 7601, 7975, 8983, 9425, 17275, 20039, 20735, 38005, 44915, 98813, 100195, 103675, 190025, 220429, 224575, 260507, 494065, 500975, 1102145, 1302535, 2470325, 2865577, 5510725, 6512675, 14327885, 71639425]

約数ペア:

[(1, 71639425), (5, 14327885), (11, 6512675), (13, 5510725), (25, 2865577), (29, 2470325), (55, 1302535), (65, 1102145), (143, 500975), (145, 494065), (275, 260507), (319, 224575), (325, 220429), (377, 190025), (691, 103675), (715, 100195), (725, 98813), (1595, 44915), (1885, 38005), (3455, 20735), (3575, 20039), (4147, 17275), (7601, 9425), (7975, 8983)]