28699570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 54964656

約数和(自身を除く): 26265086

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 401, 421, 802, 842, 2005, 2105, 4010, 4210, 6817, 7157, 13634, 14314, 34085, 35785, 68170, 71570, 168821, 337642, 844105, 1688210, 2869957, 5739914, 14349785, 28699570]

約数ペア:

[(1, 28699570), (2, 14349785), (5, 5739914), (10, 2869957), (17, 1688210), (34, 844105), (85, 337642), (170, 168821), (401, 71570), (421, 68170), (802, 35785), (842, 34085), (2005, 14314), (2105, 13634), (4010, 7157), (4210, 6817)]