258581323

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 360916992

約数和(自身を除く): 102335669

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 169, 217, 341, 403, 641, 1001, 1183, 1859, 2387, 2821, 4433, 4487, 5239, 7051, 8333, 13013, 19871, 31031, 36673, 49357, 57629, 58331, 91663, 108329, 139097, 218581, 258323, 403403, 641641, 758303, 1191619, 1530067, 1808261, 2841553, 3358199, 8341333, 19890871, 23507393, 36940189, 258581323]

約数ペア:

[(1, 258581323), (7, 36940189), (11, 23507393), (13, 19890871), (31, 8341333), (77, 3358199), (91, 2841553), (143, 1808261), (169, 1530067), (217, 1191619), (341, 758303), (403, 641641), (641, 403403), (1001, 258323), (1183, 218581), (1859, 139097), (2387, 108329), (2821, 91663), (4433, 58331), (4487, 57629), (5239, 49357), (7051, 36673), (8333, 31031), (13013, 19871)]