389789465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 532129920

約数和(自身を除く): 142340455

約数列:

[1, 5, 13, 19, 65, 95, 247, 547, 577, 1235, 2735, 2885, 7111, 7501, 10393, 10963, 35555, 37505, 51965, 54815, 135109, 142519, 315619, 675545, 712595, 1578095, 4103047, 5996761, 20515235, 29983805, 77957893, 389789465]

約数ペア:

[(1, 389789465), (5, 77957893), (13, 29983805), (19, 20515235), (65, 5996761), (95, 4103047), (247, 1578095), (547, 712595), (577, 675545), (1235, 315619), (2735, 142519), (2885, 135109), (7111, 54815), (7501, 51965), (10393, 37505), (10963, 35555)]