28242852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 74003328

約数和(自身を除く): 45760476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 121, 132, 159, 212, 242, 318, 363, 367, 484, 583, 636, 726, 734, 1101, 1166, 1452, 1468, 1749, 2202, 2332, 3498, 4037, 4404, 6413, 6996, 8074, 12111, 12826, 16148, 19239, 19451, 24222, 25652, 38478, 38902, 44407, 48444, 58353, 76956, 77804, 88814, 116706, 133221, 177628, 213961, 233412, 266442, 427922, 532884, 641883, 855844, 1283766, 2353571, 2567532, 4707142, 7060713, 9414284, 14121426, 28242852]

約数ペア:

[(1, 28242852), (2, 14121426), (3, 9414284), (4, 7060713), (6, 4707142), (11, 2567532), (12, 2353571), (22, 1283766), (33, 855844), (44, 641883), (53, 532884), (66, 427922), (106, 266442), (121, 233412), (132, 213961), (159, 177628), (212, 133221), (242, 116706), (318, 88814), (363, 77804), (367, 76956), (484, 58353), (583, 48444), (636, 44407), (726, 38902), (734, 38478), (1101, 25652), (1166, 24222), (1452, 19451), (1468, 19239), (1749, 16148), (2202, 12826), (2332, 12111), (3498, 8074), (4037, 6996), (4404, 6413)]