319684705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 409204224

約数和(自身を除く): 89519519

約数列:

[1, 5, 23, 103, 115, 137, 197, 515, 685, 985, 2369, 3151, 4531, 11845, 14111, 15755, 20291, 22655, 26989, 70555, 101455, 134945, 324553, 466693, 620747, 1622765, 2333465, 2779867, 3103735, 13899335, 63936941, 319684705]

約数ペア:

[(1, 319684705), (5, 63936941), (23, 13899335), (103, 3103735), (115, 2779867), (137, 2333465), (197, 1622765), (515, 620747), (685, 466693), (985, 324553), (2369, 134945), (3151, 101455), (4531, 70555), (11845, 26989), (14111, 22655), (15755, 20291)]