31497258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 71914752

約数和(自身を除く): 40417494

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 97, 138, 181, 194, 291, 299, 362, 543, 582, 598, 897, 1086, 1261, 1794, 2231, 2353, 2522, 3783, 4163, 4462, 4706, 6693, 7059, 7566, 8326, 12489, 13386, 14118, 17557, 24978, 29003, 35114, 52671, 54119, 58006, 87009, 105342, 108238, 162357, 174018, 228241, 324714, 403811, 456482, 684723, 807622, 1211433, 1369446, 2422866, 5249543, 10499086, 15748629, 31497258]

約数ペア:

[(1, 31497258), (2, 15748629), (3, 10499086), (6, 5249543), (13, 2422866), (23, 1369446), (26, 1211433), (39, 807622), (46, 684723), (69, 456482), (78, 403811), (97, 324714), (138, 228241), (181, 174018), (194, 162357), (291, 108238), (299, 105342), (362, 87009), (543, 58006), (582, 54119), (598, 52671), (897, 35114), (1086, 29003), (1261, 24978), (1794, 17557), (2231, 14118), (2353, 13386), (2522, 12489), (3783, 8326), (4163, 7566), (4462, 7059), (4706, 6693)]