81474736

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38287}}^1$

素因数の和:38321

約数の個数: 40

約数和(自身を含む): 189908480

約数和(自身を除く): 108433744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 38287, 76574, 153148, 268009, 306296, 536018, 612592, 727453, 1072036, 1454906, 2144072, 2909812, 4288144, 5092171, 5819624, 10184342, 11639248, 20368684, 40737368, 81474736]

約数ペア:

[(1, 81474736), (2, 40737368), (4, 20368684), (7, 11639248), (8, 10184342), (14, 5819624), (16, 5092171), (19, 4288144), (28, 2909812), (38, 2144072), (56, 1454906), (76, 1072036), (112, 727453), (133, 612592), (152, 536018), (266, 306296), (304, 268009), (532, 153148), (1064, 76574), (2128, 38287)]