16440354

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 45711360

約数和(自身を除く): 29271006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 31, 42, 46, 54, 61, 62, 63, 69, 93, 122, 126, 138, 161, 183, 186, 189, 207, 217, 279, 322, 366, 378, 414, 427, 434, 483, 549, 558, 621, 651, 713, 837, 854, 966, 1098, 1242, 1281, 1302, 1403, 1426, 1449, 1647, 1674, 1891, 1953, 2139, 2562, 2806, 2898, 3294, 3782, 3843, 3906, 4209, 4278, 4347, 4991, 5673, 5859, 6417, 7686, 8418, 8694, 9821, 9982, 11346, 11529, 11718, 12627, 12834, 13237, 14973, 17019, 19251, 19642, 23058, 25254, 26474, 29463, 29946, 34038, 37881, 38502, 39711, 43493, 44919, 51057, 58926, 75762, 79422, 86986, 88389, 89838, 102114, 119133, 130479, 134757, 176778, 238266, 260958, 265167, 269514, 304451, 357399, 391437, 530334, 608902, 714798, 782874, 913353, 1174311, 1826706, 2348622, 2740059, 5480118, 8220177, 16440354]

約数ペア:

[(1, 16440354), (2, 8220177), (3, 5480118), (6, 2740059), (7, 2348622), (9, 1826706), (14, 1174311), (18, 913353), (21, 782874), (23, 714798), (27, 608902), (31, 530334), (42, 391437), (46, 357399), (54, 304451), (61, 269514), (62, 265167), (63, 260958), (69, 238266), (93, 176778), (122, 134757), (126, 130479), (138, 119133), (161, 102114), (183, 89838), (186, 88389), (189, 86986), (207, 79422), (217, 75762), (279, 58926), (322, 51057), (366, 44919), (378, 43493), (414, 39711), (427, 38502), (434, 37881), (483, 34038), (549, 29946), (558, 29463), (621, 26474), (651, 25254), (713, 23058), (837, 19642), (854, 19251), (966, 17019), (1098, 14973), (1242, 13237), (1281, 12834), (1302, 12627), (1403, 11718), (1426, 11529), (1449, 11346), (1647, 9982), (1674, 9821), (1891, 8694), (1953, 8418), (2139, 7686), (2562, 6417), (2806, 5859), (2898, 5673), (3294, 4991), (3782, 4347), (3843, 4278), (3906, 4209)]