291298568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{106781}}^1$

素因数の和:106829

約数の個数: 32

約数和(自身を含む): 615064320

約数和(自身を除く): 323765752

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 106781, 213562, 427124, 854248, 1174591, 2349182, 3310211, 4698364, 6620422, 9396728, 13240844, 26481688, 36412321, 72824642, 145649284, 291298568]

約数ペア:

[(1, 291298568), (2, 145649284), (4, 72824642), (8, 36412321), (11, 26481688), (22, 13240844), (31, 9396728), (44, 6620422), (62, 4698364), (88, 3310211), (124, 2349182), (248, 1174591), (341, 854248), (682, 427124), (1364, 213562), (2728, 106781)]