25931655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 48072960

約数和(自身を除く): 22141305

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 641, 899, 1305, 1395, 1923, 2697, 3205, 4495, 5769, 8091, 9615, 13485, 18589, 19871, 28845, 40455, 55767, 59613, 92945, 99355, 167301, 178839, 278835, 298065, 576259, 836505, 894195, 1728777, 2881295, 5186331, 8643885, 25931655]

約数ペア:

[(1, 25931655), (3, 8643885), (5, 5186331), (9, 2881295), (15, 1728777), (29, 894195), (31, 836505), (45, 576259), (87, 298065), (93, 278835), (145, 178839), (155, 167301), (261, 99355), (279, 92945), (435, 59613), (465, 55767), (641, 40455), (899, 28845), (1305, 19871), (1395, 18589), (1923, 13485), (2697, 9615), (3205, 8091), (4495, 5769)]