255280688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{26113}}^1$

素因数の和:26181

約数の個数: 40

約数和(自身を含む): 544006848

約数和(自身を除く): 288726160

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 26113, 52226, 104452, 208904, 339469, 417808, 678938, 1227311, 1357876, 2454622, 2715752, 4909244, 5431504, 9818488, 15955043, 19636976, 31910086, 63820172, 127640344, 255280688]

約数ペア:

[(1, 255280688), (2, 127640344), (4, 63820172), (8, 31910086), (13, 19636976), (16, 15955043), (26, 9818488), (47, 5431504), (52, 4909244), (94, 2715752), (104, 2454622), (188, 1357876), (208, 1227311), (376, 678938), (611, 417808), (752, 339469), (1222, 208904), (2444, 104452), (4888, 52226), (9776, 26113)]