255536996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 560722680

約数和(自身を除く): 305185684

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 187, 221, 242, 286, 374, 442, 484, 572, 748, 884, 1573, 2057, 2389, 2431, 3146, 4114, 4778, 4862, 6292, 8228, 9556, 9724, 26279, 26741, 31057, 40613, 52558, 53482, 62114, 81226, 105116, 106964, 124228, 162452, 289069, 341627, 446743, 527969, 578138, 683254, 893486, 1055938, 1156276, 1366508, 1786972, 2111876, 3757897, 4914173, 5807659, 7515794, 9828346, 11615318, 15031588, 19656692, 23230636, 63884249, 127768498, 255536996]

約数ペア:

[(1, 255536996), (2, 127768498), (4, 63884249), (11, 23230636), (13, 19656692), (17, 15031588), (22, 11615318), (26, 9828346), (34, 7515794), (44, 5807659), (52, 4914173), (68, 3757897), (121, 2111876), (143, 1786972), (187, 1366508), (221, 1156276), (242, 1055938), (286, 893486), (374, 683254), (442, 578138), (484, 527969), (572, 446743), (748, 341627), (884, 289069), (1573, 162452), (2057, 124228), (2389, 106964), (2431, 105116), (3146, 81226), (4114, 62114), (4778, 53482), (4862, 52558), (6292, 40613), (8228, 31057), (9556, 26741), (9724, 26279)]