128557310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59243}}^1$

素因数の和:59288

約数の個数: 32

約数和(自身を含む): 272996352

約数和(自身を除く): 144439042

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 59243, 118486, 296215, 414701, 592430, 829402, 1836533, 2073505, 3673066, 4147010, 9182665, 12855731, 18365330, 25711462, 64278655, 128557310]

約数ペア:

[(1, 128557310), (2, 64278655), (5, 25711462), (7, 18365330), (10, 12855731), (14, 9182665), (31, 4147010), (35, 3673066), (62, 2073505), (70, 1836533), (155, 829402), (217, 592430), (310, 414701), (434, 296215), (1085, 118486), (2170, 59243)]