1290216395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{3581}}^1$

素因数の和:3863

約数の個数: 32

約数和(自身を含む): 1747557504

約数和(自身を除く): 457341109

約数列:

[1, 5, 13, 23, 65, 115, 241, 299, 1205, 1495, 3133, 3581, 5543, 15665, 17905, 27715, 46553, 72059, 82363, 232765, 360295, 411815, 863021, 1070719, 4315105, 5353595, 11219273, 19849483, 56096365, 99247415, 258043279, 1290216395]

約数ペア:

[(1, 1290216395), (5, 258043279), (13, 99247415), (23, 56096365), (65, 19849483), (115, 11219273), (241, 5353595), (299, 4315105), (1205, 1070719), (1495, 863021), (3133, 411815), (3581, 360295), (5543, 232765), (15665, 82363), (17905, 72059), (27715, 46553)]