28705158335

素因数分解:

$5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{18959}}^1$

素因数の和:19391

約数の個数: 32

約数和(自身を含む): 39752294400

約数和(自身を除く): 11047136065

約数列:

[1, 5, 7, 35, 181, 239, 905, 1195, 1267, 1673, 6335, 8365, 18959, 43259, 94795, 132713, 216295, 302813, 663565, 1514065, 3431579, 4531201, 17157895, 22656005, 24021053, 31718407, 120105265, 158592035, 820147381, 4100736905, 5741031667, 28705158335]

約数ペア:

[(1, 28705158335), (5, 5741031667), (7, 4100736905), (35, 820147381), (181, 158592035), (239, 120105265), (905, 31718407), (1195, 24021053), (1267, 22656005), (1673, 17157895), (6335, 4531201), (8365, 3431579), (18959, 1514065), (43259, 663565), (94795, 302813), (132713, 216295)]