280509138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{171251}}^1$

素因数の和:171279

約数の個数: 48

約数和(自身を含む): 748028736

約数和(自身を除く): 467519598

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 171251, 342502, 513753, 1027506, 1198757, 1541259, 2226263, 2397514, 3082518, 3596271, 4452526, 6678789, 7192542, 10788813, 13357578, 15583841, 20036367, 21577626, 31167682, 40072734, 46751523, 93503046, 140254569, 280509138]

約数ペア:

[(1, 280509138), (2, 140254569), (3, 93503046), (6, 46751523), (7, 40072734), (9, 31167682), (13, 21577626), (14, 20036367), (18, 15583841), (21, 13357578), (26, 10788813), (39, 7192542), (42, 6678789), (63, 4452526), (78, 3596271), (91, 3082518), (117, 2397514), (126, 2226263), (182, 1541259), (234, 1198757), (273, 1027506), (546, 513753), (819, 342502), (1638, 171251)]