7285775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 11427840

約数和(自身を除く): 4142065

約数列:

[1, 5, 7, 17, 25, 31, 35, 79, 85, 119, 155, 175, 217, 395, 425, 527, 553, 595, 775, 1085, 1343, 1975, 2449, 2635, 2765, 2975, 3689, 5425, 6715, 9401, 12245, 13175, 13825, 17143, 18445, 33575, 41633, 47005, 61225, 85715, 92225, 208165, 235025, 291431, 428575, 1040825, 1457155, 7285775]

約数ペア:

[(1, 7285775), (5, 1457155), (7, 1040825), (17, 428575), (25, 291431), (31, 235025), (35, 208165), (79, 92225), (85, 85715), (119, 61225), (155, 47005), (175, 41633), (217, 33575), (395, 18445), (425, 17143), (527, 13825), (553, 13175), (595, 12245), (775, 9401), (1085, 6715), (1343, 5425), (1975, 3689), (2449, 2975), (2635, 2765)]