217512862

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 392999040

約数和(自身を除く): 175486178

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 223, 259, 269, 446, 518, 538, 1561, 1813, 1883, 3122, 3626, 3766, 8251, 9953, 10927, 13181, 16502, 19906, 21854, 26362, 57757, 59987, 69671, 115514, 119974, 139342, 404299, 419909, 487697, 808598, 839818, 975394, 2219519, 2939363, 4439038, 5878726, 15536633, 31073266, 108756431, 217512862]

約数ペア:

[(1, 217512862), (2, 108756431), (7, 31073266), (14, 15536633), (37, 5878726), (49, 4439038), (74, 2939363), (98, 2219519), (223, 975394), (259, 839818), (269, 808598), (446, 487697), (518, 419909), (538, 404299), (1561, 139342), (1813, 119974), (1883, 115514), (3122, 69671), (3626, 59987), (3766, 57757), (8251, 26362), (9953, 21854), (10927, 19906), (13181, 16502)]