215535095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 285037056

約数和(自身を除く): 69501961

約数列:

[1, 5, 17, 31, 85, 155, 157, 521, 527, 785, 2605, 2635, 2669, 4867, 8857, 13345, 16151, 24335, 44285, 80755, 81797, 82739, 274567, 408985, 413695, 1372835, 1390549, 2535707, 6952745, 12678535, 43107019, 215535095]

約数ペア:

[(1, 215535095), (5, 43107019), (17, 12678535), (31, 6952745), (85, 2535707), (155, 1390549), (157, 1372835), (521, 413695), (527, 408985), (785, 274567), (2605, 82739), (2635, 81797), (2669, 80755), (4867, 44285), (8857, 24335), (13345, 16151)]