861567174

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2134

約数の個数: 96

約数和(自身を含む): 2149187040

約数和(自身を除く): 1287619866

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 109, 117, 153, 218, 221, 234, 306, 327, 442, 654, 663, 981, 1326, 1417, 1853, 1962, 1987, 1989, 2834, 3706, 3974, 3978, 4251, 5559, 5961, 8502, 11118, 11922, 12753, 16677, 17883, 24089, 25506, 25831, 33354, 33779, 35766, 48178, 51662, 67558, 72267, 77493, 101337, 144534, 154986, 202674, 216583, 216801, 232479, 304011, 433166, 433602, 439127, 464958, 608022, 649749, 878254, 1299498, 1317381, 1949247, 2634762, 2815579, 3681911, 3898494, 3952143, 5631158, 7363822, 7904286, 8446737, 11045733, 16893474, 22091466, 25340211, 33137199, 47864843, 50680422, 66274398, 95729686, 143594529, 287189058, 430783587, 861567174]

約数ペア:

[(1, 861567174), (2, 430783587), (3, 287189058), (6, 143594529), (9, 95729686), (13, 66274398), (17, 50680422), (18, 47864843), (26, 33137199), (34, 25340211), (39, 22091466), (51, 16893474), (78, 11045733), (102, 8446737), (109, 7904286), (117, 7363822), (153, 5631158), (218, 3952143), (221, 3898494), (234, 3681911), (306, 2815579), (327, 2634762), (442, 1949247), (654, 1317381), (663, 1299498), (981, 878254), (1326, 649749), (1417, 608022), (1853, 464958), (1962, 439127), (1987, 433602), (1989, 433166), (2834, 304011), (3706, 232479), (3974, 216801), (3978, 216583), (4251, 202674), (5559, 154986), (5961, 144534), (8502, 101337), (11118, 77493), (11922, 72267), (12753, 67558), (16677, 51662), (17883, 48178), (24089, 35766), (25506, 33779), (25831, 33354)]