217759510

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{3989}}^1$

素因数の和:4152

約数の個数: 32

約数和(自身を含む): 403341120

約数和(自身を除く): 185581610

約数列:

[1, 2, 5, 10, 53, 103, 106, 206, 265, 515, 530, 1030, 3989, 5459, 7978, 10918, 19945, 27295, 39890, 54590, 211417, 410867, 422834, 821734, 1057085, 2054335, 2114170, 4108670, 21775951, 43551902, 108879755, 217759510]

約数ペア:

[(1, 217759510), (2, 108879755), (5, 43551902), (10, 21775951), (53, 4108670), (103, 2114170), (106, 2054335), (206, 1057085), (265, 821734), (515, 422834), (530, 410867), (1030, 211417), (3989, 54590), (5459, 39890), (7978, 27295), (10918, 19945)]