31238812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 65542400

約数和(自身を除く): 34303588

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 79, 86, 121, 158, 172, 209, 242, 316, 418, 473, 484, 817, 836, 869, 946, 1501, 1634, 1738, 1892, 2299, 3002, 3268, 3397, 3476, 4598, 5203, 6004, 6794, 8987, 9196, 9559, 10406, 13588, 16511, 17974, 19118, 20812, 33022, 35948, 37367, 38236, 64543, 66044, 74734, 98857, 129086, 149468, 181621, 197714, 258172, 363242, 395428, 411037, 709973, 726484, 822074, 1419946, 1644148, 2839892, 7809703, 15619406, 31238812]

約数ペア:

[(1, 31238812), (2, 15619406), (4, 7809703), (11, 2839892), (19, 1644148), (22, 1419946), (38, 822074), (43, 726484), (44, 709973), (76, 411037), (79, 395428), (86, 363242), (121, 258172), (158, 197714), (172, 181621), (209, 149468), (242, 129086), (316, 98857), (418, 74734), (473, 66044), (484, 64543), (817, 38236), (836, 37367), (869, 35948), (946, 33022), (1501, 20812), (1634, 19118), (1738, 17974), (1892, 16511), (2299, 13588), (3002, 10406), (3268, 9559), (3397, 9196), (3476, 8987), (4598, 6794), (5203, 6004)]