38147915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 19912885

約数列:

[1, 5, 13, 17, 19, 23, 65, 79, 85, 95, 115, 221, 247, 299, 323, 391, 395, 437, 1027, 1105, 1235, 1343, 1495, 1501, 1615, 1817, 1955, 2185, 4199, 5083, 5135, 5681, 6715, 7429, 7505, 9085, 17459, 19513, 20995, 23621, 25415, 25517, 28405, 30889, 34523, 37145, 87295, 96577, 97565, 118105, 127585, 154445, 172615, 331721, 401557, 448799, 482885, 586891, 1658605, 2007785, 2243995, 2934455, 7629583, 38147915]

約数ペア:

[(1, 38147915), (5, 7629583), (13, 2934455), (17, 2243995), (19, 2007785), (23, 1658605), (65, 586891), (79, 482885), (85, 448799), (95, 401557), (115, 331721), (221, 172615), (247, 154445), (299, 127585), (323, 118105), (391, 97565), (395, 96577), (437, 87295), (1027, 37145), (1105, 34523), (1235, 30889), (1343, 28405), (1495, 25517), (1501, 25415), (1615, 23621), (1817, 20995), (1955, 19513), (2185, 17459), (4199, 9085), (5083, 7505), (5135, 7429), (5681, 6715)]