221987412

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:714

約数の個数: 96

約数和(自身を含む): 609638400

約数和(自身を除く): 387650988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 251, 342, 431, 502, 513, 684, 753, 862, 1004, 1026, 1293, 1506, 1724, 2052, 2259, 2586, 3012, 3879, 4518, 4769, 5172, 6777, 7758, 8189, 9036, 9538, 11637, 13554, 14307, 15516, 16378, 19076, 23274, 24567, 27108, 28614, 32756, 42921, 46548, 49134, 57228, 73701, 85842, 98268, 108181, 128763, 147402, 171684, 216362, 221103, 257526, 294804, 324543, 432724, 442206, 515052, 649086, 884412, 973629, 1298172, 1947258, 2055439, 2920887, 3894516, 4110878, 5841774, 6166317, 8221756, 11683548, 12332634, 18498951, 24665268, 36997902, 55496853, 73995804, 110993706, 221987412]

約数ペア:

[(1, 221987412), (2, 110993706), (3, 73995804), (4, 55496853), (6, 36997902), (9, 24665268), (12, 18498951), (18, 12332634), (19, 11683548), (27, 8221756), (36, 6166317), (38, 5841774), (54, 4110878), (57, 3894516), (76, 2920887), (108, 2055439), (114, 1947258), (171, 1298172), (228, 973629), (251, 884412), (342, 649086), (431, 515052), (502, 442206), (513, 432724), (684, 324543), (753, 294804), (862, 257526), (1004, 221103), (1026, 216362), (1293, 171684), (1506, 147402), (1724, 128763), (2052, 108181), (2259, 98268), (2586, 85842), (3012, 73701), (3879, 57228), (4518, 49134), (4769, 46548), (5172, 42921), (6777, 32756), (7758, 28614), (8189, 27108), (9036, 24567), (9538, 23274), (11637, 19076), (13554, 16378), (14307, 15516)]