28883988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1879}}^1$

素因数の和:1957

約数の個数: 72

約数和(自身を含む): 84855680

約数和(自身を除く): 55971692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 1879, 2196, 2562, 3758, 3843, 5124, 5637, 7516, 7686, 11274, 13153, 15372, 16911, 22548, 26306, 33822, 39459, 52612, 67644, 78918, 114619, 118377, 157836, 229238, 236754, 343857, 458476, 473508, 687714, 802333, 1031571, 1375428, 1604666, 2063142, 2406999, 3209332, 4126284, 4813998, 7220997, 9627996, 14441994, 28883988]

約数ペア:

[(1, 28883988), (2, 14441994), (3, 9627996), (4, 7220997), (6, 4813998), (7, 4126284), (9, 3209332), (12, 2406999), (14, 2063142), (18, 1604666), (21, 1375428), (28, 1031571), (36, 802333), (42, 687714), (61, 473508), (63, 458476), (84, 343857), (122, 236754), (126, 229238), (183, 157836), (244, 118377), (252, 114619), (366, 78918), (427, 67644), (549, 52612), (732, 39459), (854, 33822), (1098, 26306), (1281, 22548), (1708, 16911), (1879, 15372), (2196, 13153), (2562, 11274), (3758, 7686), (3843, 7516), (5124, 5637)]