28958204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 60775680

約数和(自身を除く): 31817476

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 67, 76, 94, 121, 134, 188, 209, 242, 268, 418, 484, 517, 737, 836, 893, 1034, 1273, 1474, 1786, 2068, 2299, 2546, 2948, 3149, 3572, 4598, 5092, 5687, 6298, 8107, 9196, 9823, 11374, 12596, 14003, 16214, 19646, 22748, 28006, 32428, 34639, 39292, 56012, 59831, 69278, 108053, 119662, 138556, 154033, 216106, 239324, 308066, 381029, 432212, 616132, 658141, 762058, 1316282, 1524116, 2632564, 7239551, 14479102, 28958204]

約数ペア:

[(1, 28958204), (2, 14479102), (4, 7239551), (11, 2632564), (19, 1524116), (22, 1316282), (38, 762058), (44, 658141), (47, 616132), (67, 432212), (76, 381029), (94, 308066), (121, 239324), (134, 216106), (188, 154033), (209, 138556), (242, 119662), (268, 108053), (418, 69278), (484, 59831), (517, 56012), (737, 39292), (836, 34639), (893, 32428), (1034, 28006), (1273, 22748), (1474, 19646), (1786, 16214), (2068, 14003), (2299, 12596), (2546, 11374), (2948, 9823), (3149, 9196), (3572, 8107), (4598, 6298), (5092, 5687)]