2016985621

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 2597308416

約数和(自身を除く): 580322795

約数列:

[1, 7, 17, 23, 67, 119, 161, 289, 391, 469, 647, 1139, 1541, 2023, 2737, 4529, 6647, 7973, 10787, 10999, 14881, 19363, 26197, 43349, 46529, 76993, 104167, 135541, 183379, 186983, 252977, 303443, 445349, 736933, 997027, 1308881, 1770839, 3117443, 4300609, 5158531, 6979189, 12527861, 16949459, 30104263, 87695027, 118646213, 288140803, 2016985621]

約数ペア:

[(1, 2016985621), (7, 288140803), (17, 118646213), (23, 87695027), (67, 30104263), (119, 16949459), (161, 12527861), (289, 6979189), (391, 5158531), (469, 4300609), (647, 3117443), (1139, 1770839), (1541, 1308881), (2023, 997027), (2737, 736933), (4529, 445349), (6647, 303443), (7973, 252977), (10787, 186983), (10999, 183379), (14881, 135541), (19363, 104167), (26197, 76993), (43349, 46529)]