28943928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 90515880

約数和(自身を除く): 61571952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 107, 117, 136, 153, 156, 204, 214, 221, 234, 289, 306, 312, 321, 408, 428, 442, 468, 578, 612, 642, 663, 856, 867, 884, 936, 963, 1156, 1224, 1284, 1326, 1391, 1734, 1768, 1819, 1926, 1989, 2312, 2568, 2601, 2652, 2782, 3468, 3638, 3757, 3852, 3978, 4173, 5202, 5304, 5457, 5564, 6936, 7276, 7514, 7704, 7956, 8346, 10404, 10914, 11128, 11271, 12519, 14552, 15028, 15912, 16371, 16692, 20808, 21828, 22542, 23647, 25038, 30056, 30923, 32742, 33384, 33813, 43656, 45084, 47294, 50076, 61846, 65484, 67626, 70941, 90168, 92769, 94588, 100152, 123692, 130968, 135252, 141882, 185538, 189176, 212823, 247384, 270504, 278307, 283764, 371076, 401999, 425646, 556614, 567528, 742152, 803998, 851292, 1113228, 1205997, 1607996, 1702584, 2226456, 2411994, 3215992, 3617991, 4823988, 7235982, 9647976, 14471964, 28943928]

約数ペア:

[(1, 28943928), (2, 14471964), (3, 9647976), (4, 7235982), (6, 4823988), (8, 3617991), (9, 3215992), (12, 2411994), (13, 2226456), (17, 1702584), (18, 1607996), (24, 1205997), (26, 1113228), (34, 851292), (36, 803998), (39, 742152), (51, 567528), (52, 556614), (68, 425646), (72, 401999), (78, 371076), (102, 283764), (104, 278307), (107, 270504), (117, 247384), (136, 212823), (153, 189176), (156, 185538), (204, 141882), (214, 135252), (221, 130968), (234, 123692), (289, 100152), (306, 94588), (312, 92769), (321, 90168), (408, 70941), (428, 67626), (442, 65484), (468, 61846), (578, 50076), (612, 47294), (642, 45084), (663, 43656), (856, 33813), (867, 33384), (884, 32742), (936, 30923), (963, 30056), (1156, 25038), (1224, 23647), (1284, 22542), (1326, 21828), (1391, 20808), (1734, 16692), (1768, 16371), (1819, 15912), (1926, 15028), (1989, 14552), (2312, 12519), (2568, 11271), (2601, 11128), (2652, 10914), (2782, 10404), (3468, 8346), (3638, 7956), (3757, 7704), (3852, 7514), (3978, 7276), (4173, 6936), (5202, 5564), (5304, 5457)]