71005025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 115200960

約数和(自身を除く): 44195935

約数列:

[1, 5, 7, 13, 23, 25, 35, 59, 65, 91, 115, 161, 175, 295, 299, 325, 413, 455, 529, 575, 767, 805, 1357, 1475, 1495, 2065, 2093, 2275, 2645, 3703, 3835, 4025, 5369, 6785, 6877, 7475, 9499, 10325, 10465, 13225, 17641, 18515, 19175, 26845, 31211, 33925, 34385, 47495, 48139, 52325, 88205, 92575, 123487, 134225, 156055, 171925, 218477, 237475, 240695, 405743, 441025, 617435, 780275, 1092385, 1203475, 2028715, 2840201, 3087175, 5461925, 10143575, 14201005, 71005025]

約数ペア:

[(1, 71005025), (5, 14201005), (7, 10143575), (13, 5461925), (23, 3087175), (25, 2840201), (35, 2028715), (59, 1203475), (65, 1092385), (91, 780275), (115, 617435), (161, 441025), (175, 405743), (295, 240695), (299, 237475), (325, 218477), (413, 171925), (455, 156055), (529, 134225), (575, 123487), (767, 92575), (805, 88205), (1357, 52325), (1475, 48139), (1495, 47495), (2065, 34385), (2093, 33925), (2275, 31211), (2645, 26845), (3703, 19175), (3835, 18515), (4025, 17641), (5369, 13225), (6785, 10465), (6877, 10325), (7475, 9499)]