223435225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 316479744

約数和(自身を除く): 93044519

約数列:

[1, 5, 13, 23, 25, 65, 71, 115, 299, 325, 355, 421, 575, 923, 1495, 1633, 1775, 2105, 4615, 5473, 7475, 8165, 9683, 10525, 21229, 23075, 27365, 29891, 40825, 48415, 106145, 125879, 136825, 149455, 242075, 388583, 530725, 629395, 687493, 747275, 1942915, 3146975, 3437465, 8937409, 9714575, 17187325, 44687045, 223435225]

約数ペア:

[(1, 223435225), (5, 44687045), (13, 17187325), (23, 9714575), (25, 8937409), (65, 3437465), (71, 3146975), (115, 1942915), (299, 747275), (325, 687493), (355, 629395), (421, 530725), (575, 388583), (923, 242075), (1495, 149455), (1633, 136825), (1775, 125879), (2105, 106145), (4615, 48415), (5473, 40825), (7475, 29891), (8165, 27365), (9683, 23075), (10525, 21229)]