991858585

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1\times {\mathrm{4951}}^1$

素因数の和:5448

約数の個数: 16

約数和(自身を含む): 1205118720

約数和(自身を除く): 213260135

約数列:

[1, 5, 103, 389, 515, 1945, 4951, 24755, 40067, 200335, 509953, 1925939, 2549765, 9629695, 198371717, 991858585]

約数ペア:

[(1, 991858585), (5, 198371717), (103, 9629695), (389, 2549765), (515, 1925939), (1945, 509953), (4951, 200335), (24755, 40067)]