81815136

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65557}}^1$

素因数の和:65583

約数の個数: 48

約数和(自身を含む): 231288624

約数和(自身を除く): 149473488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65557, 131114, 196671, 262228, 393342, 524456, 786684, 852241, 1048912, 1573368, 1704482, 2097824, 2556723, 3146736, 3408964, 5113446, 6293472, 6817928, 10226892, 13635856, 20453784, 27271712, 40907568, 81815136]

約数ペア:

[(1, 81815136), (2, 40907568), (3, 27271712), (4, 20453784), (6, 13635856), (8, 10226892), (12, 6817928), (13, 6293472), (16, 5113446), (24, 3408964), (26, 3146736), (32, 2556723), (39, 2097824), (48, 1704482), (52, 1573368), (78, 1048912), (96, 852241), (104, 786684), (156, 524456), (208, 393342), (312, 262228), (416, 196671), (624, 131114), (1248, 65557)]