28705104

素因数分解:

$2^4\times 3^6\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 140

約数和(自身を含む): 87824736

約数和(自身を除く): 59119632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 107, 108, 138, 144, 162, 184, 207, 214, 216, 243, 276, 321, 324, 368, 414, 428, 432, 486, 552, 621, 642, 648, 729, 828, 856, 963, 972, 1104, 1242, 1284, 1296, 1458, 1656, 1712, 1863, 1926, 1944, 2461, 2484, 2568, 2889, 2916, 3312, 3726, 3852, 3888, 4922, 4968, 5136, 5589, 5778, 5832, 7383, 7452, 7704, 8667, 9844, 9936, 11178, 11556, 11664, 14766, 14904, 15408, 16767, 17334, 19688, 22149, 22356, 23112, 26001, 29532, 29808, 33534, 34668, 39376, 44298, 44712, 46224, 52002, 59064, 66447, 67068, 69336, 78003, 88596, 89424, 104004, 118128, 132894, 134136, 138672, 156006, 177192, 199341, 208008, 265788, 268272, 312012, 354384, 398682, 416016, 531576, 598023, 624024, 797364, 1063152, 1196046, 1248048, 1594728, 1794069, 2392092, 3189456, 3588138, 4784184, 7176276, 9568368, 14352552, 28705104]

約数ペア:

[(1, 28705104), (2, 14352552), (3, 9568368), (4, 7176276), (6, 4784184), (8, 3588138), (9, 3189456), (12, 2392092), (16, 1794069), (18, 1594728), (23, 1248048), (24, 1196046), (27, 1063152), (36, 797364), (46, 624024), (48, 598023), (54, 531576), (69, 416016), (72, 398682), (81, 354384), (92, 312012), (107, 268272), (108, 265788), (138, 208008), (144, 199341), (162, 177192), (184, 156006), (207, 138672), (214, 134136), (216, 132894), (243, 118128), (276, 104004), (321, 89424), (324, 88596), (368, 78003), (414, 69336), (428, 67068), (432, 66447), (486, 59064), (552, 52002), (621, 46224), (642, 44712), (648, 44298), (729, 39376), (828, 34668), (856, 33534), (963, 29808), (972, 29532), (1104, 26001), (1242, 23112), (1284, 22356), (1296, 22149), (1458, 19688), (1656, 17334), (1712, 16767), (1863, 15408), (1926, 14904), (1944, 14766), (2461, 11664), (2484, 11556), (2568, 11178), (2889, 9936), (2916, 9844), (3312, 8667), (3726, 7704), (3852, 7452), (3888, 7383), (4922, 5832), (4968, 5778), (5136, 5589)]