28306422

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 67744512

約数和(自身を除く): 39438090

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 81, 107, 138, 142, 162, 207, 213, 214, 321, 414, 426, 621, 639, 642, 963, 1242, 1278, 1633, 1863, 1917, 1926, 2461, 2889, 3266, 3726, 3834, 4899, 4922, 5751, 5778, 7383, 7597, 8667, 9798, 11502, 14697, 14766, 15194, 17334, 22149, 22791, 29394, 44091, 44298, 45582, 66447, 68373, 88182, 132273, 132894, 136746, 174731, 199341, 205119, 264546, 349462, 398682, 410238, 524193, 615357, 1048386, 1230714, 1572579, 3145158, 4717737, 9435474, 14153211, 28306422]

約数ペア:

[(1, 28306422), (2, 14153211), (3, 9435474), (6, 4717737), (9, 3145158), (18, 1572579), (23, 1230714), (27, 1048386), (46, 615357), (54, 524193), (69, 410238), (71, 398682), (81, 349462), (107, 264546), (138, 205119), (142, 199341), (162, 174731), (207, 136746), (213, 132894), (214, 132273), (321, 88182), (414, 68373), (426, 66447), (621, 45582), (639, 44298), (642, 44091), (963, 29394), (1242, 22791), (1278, 22149), (1633, 17334), (1863, 15194), (1917, 14766), (1926, 14697), (2461, 11502), (2889, 9798), (3266, 8667), (3726, 7597), (3834, 7383), (4899, 5778), (4922, 5751)]