81988146

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 109612494

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 251, 263, 414, 502, 526, 621, 753, 789, 1242, 1506, 1578, 2259, 2367, 4518, 4734, 5773, 6049, 6777, 7101, 11546, 12098, 13554, 14202, 17319, 18147, 34638, 36294, 51957, 54441, 66013, 103914, 108882, 132026, 155871, 163323, 198039, 311742, 326646, 396078, 594117, 1188234, 1518299, 1782351, 3036598, 3564702, 4554897, 9109794, 13664691, 27329382, 40994073, 81988146]

約数ペア:

[(1, 81988146), (2, 40994073), (3, 27329382), (6, 13664691), (9, 9109794), (18, 4554897), (23, 3564702), (27, 3036598), (46, 1782351), (54, 1518299), (69, 1188234), (138, 594117), (207, 396078), (251, 326646), (263, 311742), (414, 198039), (502, 163323), (526, 155871), (621, 132026), (753, 108882), (789, 103914), (1242, 66013), (1506, 54441), (1578, 51957), (2259, 36294), (2367, 34638), (4518, 18147), (4734, 17319), (5773, 14202), (6049, 13554), (6777, 12098), (7101, 11546)]