16564715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 22654080

約数和(自身を除く): 6089365

約数列:

[1, 5, 17, 23, 37, 85, 115, 185, 229, 391, 629, 851, 1145, 1955, 3145, 3893, 4255, 5267, 8473, 14467, 19465, 26335, 42365, 72335, 89539, 144041, 194879, 447695, 720205, 974395, 3312943, 16564715]

約数ペア:

[(1, 16564715), (5, 3312943), (17, 974395), (23, 720205), (37, 447695), (85, 194879), (115, 144041), (185, 89539), (229, 72335), (391, 42365), (629, 26335), (851, 19465), (1145, 14467), (1955, 8473), (3145, 5267), (3893, 4255)]