1621730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 3328128

約数和(自身を除く): 1706398

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 641, 1265, 1282, 2530, 3205, 6410, 7051, 14102, 14743, 29486, 35255, 70510, 73715, 147430, 162173, 324346, 810865, 1621730]

約数ペア:

[(1, 1621730), (2, 810865), (5, 324346), (10, 162173), (11, 147430), (22, 73715), (23, 70510), (46, 35255), (55, 29486), (110, 14743), (115, 14102), (230, 7051), (253, 6410), (506, 3205), (641, 2530), (1265, 1282)]