28198014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37120386

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 53, 57, 78, 106, 114, 159, 247, 318, 359, 494, 689, 718, 741, 1007, 1077, 1378, 1482, 2014, 2067, 2154, 3021, 4134, 4667, 6042, 6821, 9334, 13091, 13642, 14001, 19027, 20463, 26182, 28002, 38054, 39273, 40926, 57081, 78546, 88673, 114162, 177346, 247351, 266019, 361513, 494702, 532038, 723026, 742053, 1084539, 1484106, 2169078, 4699669, 9399338, 14099007, 28198014]

約数ペア:

[(1, 28198014), (2, 14099007), (3, 9399338), (6, 4699669), (13, 2169078), (19, 1484106), (26, 1084539), (38, 742053), (39, 723026), (53, 532038), (57, 494702), (78, 361513), (106, 266019), (114, 247351), (159, 177346), (247, 114162), (318, 88673), (359, 78546), (494, 57081), (689, 40926), (718, 39273), (741, 38054), (1007, 28002), (1077, 26182), (1378, 20463), (1482, 19027), (2014, 14001), (2067, 13642), (2154, 13091), (3021, 9334), (4134, 6821), (4667, 6042)]