8717995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 12519360

約数和(自身を除く): 3801365

約数列:

[1, 5, 11, 13, 55, 65, 89, 137, 143, 445, 685, 715, 979, 1157, 1507, 1781, 4895, 5785, 7535, 8905, 12193, 12727, 19591, 60965, 63635, 97955, 134123, 158509, 670615, 792545, 1743599, 8717995]

約数ペア:

[(1, 8717995), (5, 1743599), (11, 792545), (13, 670615), (55, 158509), (65, 134123), (89, 97955), (137, 63635), (143, 60965), (445, 19591), (685, 12727), (715, 12193), (979, 8905), (1157, 7535), (1507, 5785), (1781, 4895)]