28595988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48455532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 291, 342, 388, 431, 582, 684, 862, 873, 1164, 1293, 1724, 1746, 1843, 2586, 3492, 3686, 3879, 5172, 5529, 7372, 7758, 8189, 11058, 15516, 16378, 16587, 22116, 24567, 32756, 33174, 41807, 49134, 66348, 73701, 83614, 98268, 125421, 147402, 167228, 250842, 294804, 376263, 501684, 752526, 794333, 1505052, 1588666, 2382999, 3177332, 4765998, 7148997, 9531996, 14297994, 28595988]

約数ペア:

[(1, 28595988), (2, 14297994), (3, 9531996), (4, 7148997), (6, 4765998), (9, 3177332), (12, 2382999), (18, 1588666), (19, 1505052), (36, 794333), (38, 752526), (57, 501684), (76, 376263), (97, 294804), (114, 250842), (171, 167228), (194, 147402), (228, 125421), (291, 98268), (342, 83614), (388, 73701), (431, 66348), (582, 49134), (684, 41807), (862, 33174), (873, 32756), (1164, 24567), (1293, 22116), (1724, 16587), (1746, 16378), (1843, 15516), (2586, 11058), (3492, 8189), (3686, 7758), (3879, 7372), (5172, 5529)]