261808644

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 619754688

約数和(自身を除く): 357946044

約数列:

[1, 2, 3, 4, 6, 12, 137, 163, 274, 326, 411, 489, 548, 652, 822, 977, 978, 1644, 1954, 1956, 2931, 3908, 5862, 11724, 22331, 44662, 66993, 89324, 133849, 133986, 159251, 267698, 267972, 318502, 401547, 477753, 535396, 637004, 803094, 955506, 1606188, 1911012, 21817387, 43634774, 65452161, 87269548, 130904322, 261808644]

約数ペア:

[(1, 261808644), (2, 130904322), (3, 87269548), (4, 65452161), (6, 43634774), (12, 21817387), (137, 1911012), (163, 1606188), (274, 955506), (326, 803094), (411, 637004), (489, 535396), (548, 477753), (652, 401547), (822, 318502), (977, 267972), (978, 267698), (1644, 159251), (1954, 133986), (1956, 133849), (2931, 89324), (3908, 66993), (5862, 44662), (11724, 22331)]