28933164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 79405872

約数和(自身を除く): 50472708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 293, 422, 468, 586, 633, 844, 879, 1172, 1266, 1758, 1899, 2532, 2637, 2743, 3516, 3798, 3809, 5274, 5486, 7596, 7618, 8229, 10548, 10972, 11427, 15236, 16458, 22854, 24687, 32916, 34281, 45708, 49374, 61823, 68562, 98748, 123646, 137124, 185469, 247292, 370938, 556407, 741876, 803699, 1112814, 1607398, 2225628, 2411097, 3214796, 4822194, 7233291, 9644388, 14466582, 28933164]

約数ペア:

[(1, 28933164), (2, 14466582), (3, 9644388), (4, 7233291), (6, 4822194), (9, 3214796), (12, 2411097), (13, 2225628), (18, 1607398), (26, 1112814), (36, 803699), (39, 741876), (52, 556407), (78, 370938), (117, 247292), (156, 185469), (211, 137124), (234, 123646), (293, 98748), (422, 68562), (468, 61823), (586, 49374), (633, 45708), (844, 34281), (879, 32916), (1172, 24687), (1266, 22854), (1758, 16458), (1899, 15236), (2532, 11427), (2637, 10972), (2743, 10548), (3516, 8229), (3798, 7618), (3809, 7596), (5274, 5486)]