642592015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 848050560

約数和(自身を除く): 205458545

約数列:

[1, 5, 13, 65, 89, 113, 445, 565, 983, 1157, 1469, 4915, 5785, 7345, 10057, 12779, 50285, 63895, 87487, 111079, 130741, 437435, 555395, 653705, 1137331, 1444027, 5686655, 7220135, 9886031, 49430155, 128518403, 642592015]

約数ペア:

[(1, 642592015), (5, 128518403), (13, 49430155), (65, 9886031), (89, 7220135), (113, 5686655), (445, 1444027), (565, 1137331), (983, 653705), (1157, 555395), (1469, 437435), (4915, 130741), (5785, 111079), (7345, 87487), (10057, 63895), (12779, 50285)]