31339295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 42491904

約数和(自身を除く): 11152609

約数列:

[1, 5, 13, 31, 65, 103, 151, 155, 403, 515, 755, 1339, 1963, 2015, 3193, 4681, 6695, 9815, 15553, 15965, 23405, 41509, 60853, 77765, 202189, 207545, 304265, 482143, 1010945, 2410715, 6267859, 31339295]

約数ペア:

[(1, 31339295), (5, 6267859), (13, 2410715), (31, 1010945), (65, 482143), (103, 304265), (151, 207545), (155, 202189), (403, 77765), (515, 60853), (755, 41509), (1339, 23405), (1963, 15965), (2015, 15553), (3193, 9815), (4681, 6695)]