28866244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 60626720

約数和(自身を除く): 31760476

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 73, 76, 86, 121, 146, 172, 209, 242, 292, 418, 473, 484, 803, 817, 836, 946, 1387, 1606, 1634, 1892, 2299, 2774, 3139, 3212, 3268, 4598, 5203, 5548, 6278, 8833, 8987, 9196, 10406, 12556, 15257, 17666, 17974, 20812, 30514, 34529, 35332, 35948, 59641, 61028, 69058, 98857, 119282, 138116, 167827, 197714, 238564, 335654, 379819, 395428, 656051, 671308, 759638, 1312102, 1519276, 2624204, 7216561, 14433122, 28866244]

約数ペア:

[(1, 28866244), (2, 14433122), (4, 7216561), (11, 2624204), (19, 1519276), (22, 1312102), (38, 759638), (43, 671308), (44, 656051), (73, 395428), (76, 379819), (86, 335654), (121, 238564), (146, 197714), (172, 167827), (209, 138116), (242, 119282), (292, 98857), (418, 69058), (473, 61028), (484, 59641), (803, 35948), (817, 35332), (836, 34529), (946, 30514), (1387, 20812), (1606, 17974), (1634, 17666), (1892, 15257), (2299, 12556), (2774, 10406), (3139, 9196), (3212, 8987), (3268, 8833), (4598, 6278), (5203, 5548)]