39397925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 63954240

約数和(自身を除く): 24556315

約数列:

[1, 5, 7, 17, 19, 25, 35, 41, 85, 95, 119, 133, 175, 205, 287, 289, 323, 425, 475, 595, 665, 697, 779, 1025, 1435, 1445, 1615, 2023, 2261, 2975, 3325, 3485, 3895, 4879, 5453, 5491, 7175, 7225, 8075, 10115, 11305, 11849, 13243, 17425, 19475, 24395, 27265, 27455, 38437, 50575, 56525, 59245, 66215, 82943, 92701, 121975, 136325, 137275, 192185, 225131, 296225, 331075, 414715, 463505, 960925, 1125655, 1575917, 2073575, 2317525, 5628275, 7879585, 39397925]

約数ペア:

[(1, 39397925), (5, 7879585), (7, 5628275), (17, 2317525), (19, 2073575), (25, 1575917), (35, 1125655), (41, 960925), (85, 463505), (95, 414715), (119, 331075), (133, 296225), (175, 225131), (205, 192185), (287, 137275), (289, 136325), (323, 121975), (425, 92701), (475, 82943), (595, 66215), (665, 59245), (697, 56525), (779, 50575), (1025, 38437), (1435, 27455), (1445, 27265), (1615, 24395), (2023, 19475), (2261, 17425), (2975, 13243), (3325, 11849), (3485, 11305), (3895, 10115), (4879, 8075), (5453, 7225), (5491, 7175)]