72191710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1117}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 136199232

約数和(自身を除く): 64007522

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 281, 562, 1117, 1405, 2234, 2810, 5585, 6463, 11170, 12926, 25691, 32315, 51382, 64630, 128455, 256910, 313877, 627754, 1569385, 3138770, 7219171, 14438342, 36095855, 72191710]

約数ペア:

[(1, 72191710), (2, 36095855), (5, 14438342), (10, 7219171), (23, 3138770), (46, 1569385), (115, 627754), (230, 313877), (281, 256910), (562, 128455), (1117, 64630), (1405, 51382), (2234, 32315), (2810, 25691), (5585, 12926), (6463, 11170)]