213338015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 296965440

約数和(自身を除く): 83627425

約数列:

[1, 5, 11, 17, 55, 85, 187, 401, 569, 935, 2005, 2845, 4411, 6259, 6817, 9673, 22055, 31295, 34085, 48365, 74987, 106403, 228169, 374935, 532015, 1140845, 2509859, 3878873, 12549295, 19394365, 42667603, 213338015]

約数ペア:

[(1, 213338015), (5, 42667603), (11, 19394365), (17, 12549295), (55, 3878873), (85, 2509859), (187, 1140845), (401, 532015), (569, 374935), (935, 228169), (2005, 106403), (2845, 74987), (4411, 48365), (6259, 34085), (6817, 31295), (9673, 22055)]