172030915

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{30529}}^1$

素因数の和:30571

約数の個数: 24

約数和(自身を含む): 250590240

約数和(自身を除く): 78559325

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 30529, 152645, 213703, 702167, 1068515, 1495921, 3510835, 4915169, 7479605, 24575845, 34406183, 172030915]

約数ペア:

[(1, 172030915), (5, 34406183), (7, 24575845), (23, 7479605), (35, 4915169), (49, 3510835), (115, 1495921), (161, 1068515), (245, 702167), (805, 213703), (1127, 152645), (5635, 30529)]