1279132465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{855607}}^1$

素因数の和:855648

約数の個数: 16

約数和(自身を含む): 1724905728

約数和(自身を除く): 445773263

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 855607, 4278035, 11122891, 19678961, 55614455, 98394805, 255826493, 1279132465]

約数ペア:

[(1, 1279132465), (5, 255826493), (13, 98394805), (23, 55614455), (65, 19678961), (115, 11122891), (299, 4278035), (1495, 855607)]