28405176

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 74449920

約数和(自身を除く): 46044744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 73, 93, 124, 146, 186, 219, 248, 292, 372, 438, 523, 584, 744, 876, 1046, 1569, 1752, 2092, 2263, 3138, 4184, 4526, 6276, 6789, 9052, 12552, 13578, 16213, 18104, 27156, 32426, 38179, 48639, 54312, 64852, 76358, 97278, 114537, 129704, 152716, 194556, 229074, 305432, 389112, 458148, 916296, 1183549, 2367098, 3550647, 4734196, 7101294, 9468392, 14202588, 28405176]

約数ペア:

[(1, 28405176), (2, 14202588), (3, 9468392), (4, 7101294), (6, 4734196), (8, 3550647), (12, 2367098), (24, 1183549), (31, 916296), (62, 458148), (73, 389112), (93, 305432), (124, 229074), (146, 194556), (186, 152716), (219, 129704), (248, 114537), (292, 97278), (372, 76358), (438, 64852), (523, 54312), (584, 48639), (744, 38179), (876, 32426), (1046, 27156), (1569, 18104), (1752, 16213), (2092, 13578), (2263, 12552), (3138, 9052), (4184, 6789), (4526, 6276)]