218348510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{3203}}^1$

素因数の和:3628

約数の個数: 32

約数和(自身を含む): 417314592

約数和(自身を除く): 198966082

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 401, 802, 2005, 3203, 4010, 6406, 6817, 13634, 16015, 32030, 34085, 54451, 68170, 108902, 272255, 544510, 1284403, 2568806, 6422015, 12844030, 21834851, 43669702, 109174255, 218348510]

約数ペア:

[(1, 218348510), (2, 109174255), (5, 43669702), (10, 21834851), (17, 12844030), (34, 6422015), (85, 2568806), (170, 1284403), (401, 544510), (802, 272255), (2005, 108902), (3203, 68170), (4010, 54451), (6406, 34085), (6817, 32030), (13634, 16015)]