28065828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 77565600

約数和(自身を除く): 49499772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 98, 118, 147, 177, 196, 236, 294, 354, 413, 588, 708, 809, 826, 1239, 1618, 1652, 2427, 2478, 2891, 3236, 4854, 4956, 5663, 5782, 8673, 9708, 11326, 11564, 16989, 17346, 22652, 33978, 34692, 39641, 47731, 67956, 79282, 95462, 118923, 143193, 158564, 190924, 237846, 286386, 334117, 475692, 572772, 668234, 1002351, 1336468, 2004702, 2338819, 4009404, 4677638, 7016457, 9355276, 14032914, 28065828]

約数ペア:

[(1, 28065828), (2, 14032914), (3, 9355276), (4, 7016457), (6, 4677638), (7, 4009404), (12, 2338819), (14, 2004702), (21, 1336468), (28, 1002351), (42, 668234), (49, 572772), (59, 475692), (84, 334117), (98, 286386), (118, 237846), (147, 190924), (177, 158564), (196, 143193), (236, 118923), (294, 95462), (354, 79282), (413, 67956), (588, 47731), (708, 39641), (809, 34692), (826, 33978), (1239, 22652), (1618, 17346), (1652, 16989), (2427, 11564), (2478, 11326), (2891, 9708), (3236, 8673), (4854, 5782), (4956, 5663)]