28233828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 82147520

約数和(自身を除く): 53913692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 181, 252, 362, 543, 619, 724, 1086, 1238, 1267, 1629, 1857, 2172, 2476, 2534, 3258, 3714, 3801, 4333, 5068, 5571, 6516, 7428, 7602, 8666, 11142, 11403, 12999, 15204, 17332, 22284, 22806, 25998, 38997, 45612, 51996, 77994, 112039, 155988, 224078, 336117, 448156, 672234, 784273, 1008351, 1344468, 1568546, 2016702, 2352819, 3137092, 4033404, 4705638, 7058457, 9411276, 14116914, 28233828]

約数ペア:

[(1, 28233828), (2, 14116914), (3, 9411276), (4, 7058457), (6, 4705638), (7, 4033404), (9, 3137092), (12, 2352819), (14, 2016702), (18, 1568546), (21, 1344468), (28, 1008351), (36, 784273), (42, 672234), (63, 448156), (84, 336117), (126, 224078), (181, 155988), (252, 112039), (362, 77994), (543, 51996), (619, 45612), (724, 38997), (1086, 25998), (1238, 22806), (1267, 22284), (1629, 17332), (1857, 15204), (2172, 12999), (2476, 11403), (2534, 11142), (3258, 8666), (3714, 7602), (3801, 7428), (4333, 6516), (5068, 5571)]