138568105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 191872800

約数和(自身を除く): 53304695

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 1105, 1157, 1409, 1513, 5785, 7045, 7565, 18317, 19669, 23953, 91585, 98345, 119765, 125401, 311389, 627005, 1556945, 1630213, 2131817, 8151065, 10659085, 27713621, 138568105]

約数ペア:

[(1, 138568105), (5, 27713621), (13, 10659085), (17, 8151065), (65, 2131817), (85, 1630213), (89, 1556945), (221, 627005), (445, 311389), (1105, 125401), (1157, 119765), (1409, 98345), (1513, 91585), (5785, 23953), (7045, 19669), (7565, 18317)]