31983156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 108

約数和(自身を含む): 89867232

約数和(自身を除く): 57884076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 107, 114, 138, 171, 207, 214, 228, 276, 321, 342, 361, 414, 428, 437, 642, 684, 722, 828, 874, 963, 1083, 1284, 1311, 1444, 1748, 1926, 2033, 2166, 2461, 2622, 3249, 3852, 3933, 4066, 4332, 4922, 5244, 6099, 6498, 7383, 7866, 8132, 8303, 9844, 12198, 12996, 14766, 15732, 16606, 18297, 22149, 24396, 24909, 29532, 33212, 36594, 38627, 44298, 46759, 49818, 73188, 74727, 77254, 88596, 93518, 99636, 115881, 140277, 149454, 154508, 187036, 231762, 280554, 298908, 347643, 420831, 463524, 561108, 695286, 841662, 888421, 1390572, 1683324, 1776842, 2665263, 3553684, 5330526, 7995789, 10661052, 15991578, 31983156]

約数ペア:

[(1, 31983156), (2, 15991578), (3, 10661052), (4, 7995789), (6, 5330526), (9, 3553684), (12, 2665263), (18, 1776842), (19, 1683324), (23, 1390572), (36, 888421), (38, 841662), (46, 695286), (57, 561108), (69, 463524), (76, 420831), (92, 347643), (107, 298908), (114, 280554), (138, 231762), (171, 187036), (207, 154508), (214, 149454), (228, 140277), (276, 115881), (321, 99636), (342, 93518), (361, 88596), (414, 77254), (428, 74727), (437, 73188), (642, 49818), (684, 46759), (722, 44298), (828, 38627), (874, 36594), (963, 33212), (1083, 29532), (1284, 24909), (1311, 24396), (1444, 22149), (1748, 18297), (1926, 16606), (2033, 15732), (2166, 14766), (2461, 12996), (2622, 12198), (3249, 9844), (3852, 8303), (3933, 8132), (4066, 7866), (4332, 7383), (4922, 6498), (5244, 6099)]