31028179

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 10775597

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 647, 1547, 2821, 3689, 4529, 6851, 8411, 10999, 20057, 47957, 58877, 76993, 140399, 142987, 260741, 340969, 1000909, 1825187, 2386783, 4432597, 31028179]

約数ペア:

[(1, 31028179), (7, 4432597), (13, 2386783), (17, 1825187), (31, 1000909), (91, 340969), (119, 260741), (217, 142987), (221, 140399), (403, 76993), (527, 58877), (647, 47957), (1547, 20057), (2821, 10999), (3689, 8411), (4529, 6851)]