131286631

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 165750528

約数和(自身を除く): 34463897

約数列:

[1, 7, 17, 49, 73, 119, 127, 289, 511, 833, 889, 1241, 2023, 2159, 3577, 6223, 8687, 9271, 14161, 15113, 21097, 36703, 60809, 64897, 105791, 147679, 157607, 256921, 454279, 1033753, 1103249, 1798447, 2679319, 7722743, 18755233, 131286631]

約数ペア:

[(1, 131286631), (7, 18755233), (17, 7722743), (49, 2679319), (73, 1798447), (119, 1103249), (127, 1033753), (289, 454279), (511, 256921), (833, 157607), (889, 147679), (1241, 105791), (2023, 64897), (2159, 60809), (3577, 36703), (6223, 21097), (8687, 15113), (9271, 14161)]