71341945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 94089600

約数和(自身を除く): 22747655

約数列:

[1, 5, 17, 43, 85, 131, 149, 215, 655, 731, 745, 2227, 2533, 3655, 5633, 6407, 11135, 12665, 19519, 28165, 32035, 95761, 97595, 108919, 331823, 478805, 544595, 839317, 1659115, 4196585, 14268389, 71341945]

約数ペア:

[(1, 71341945), (5, 14268389), (17, 4196585), (43, 1659115), (85, 839317), (131, 544595), (149, 478805), (215, 331823), (655, 108919), (731, 97595), (745, 95761), (2227, 32035), (2533, 28165), (3655, 19519), (5633, 12665), (6407, 11135)]