28403784

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 84084000

約数和(自身を除く): 55680216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 456, 486, 513, 648, 684, 769, 972, 1026, 1368, 1538, 1539, 1944, 2052, 2307, 3076, 3078, 4104, 4614, 4617, 6152, 6156, 6921, 9228, 9234, 12312, 13842, 14611, 18456, 18468, 20763, 27684, 29222, 36936, 41526, 43833, 55368, 58444, 62289, 83052, 87666, 116888, 124578, 131499, 166104, 175332, 186867, 249156, 262998, 350664, 373734, 394497, 498312, 525996, 747468, 788994, 1051992, 1183491, 1494936, 1577988, 2366982, 3155976, 3550473, 4733964, 7100946, 9467928, 14201892, 28403784]

約数ペア:

[(1, 28403784), (2, 14201892), (3, 9467928), (4, 7100946), (6, 4733964), (8, 3550473), (9, 3155976), (12, 2366982), (18, 1577988), (19, 1494936), (24, 1183491), (27, 1051992), (36, 788994), (38, 747468), (54, 525996), (57, 498312), (72, 394497), (76, 373734), (81, 350664), (108, 262998), (114, 249156), (152, 186867), (162, 175332), (171, 166104), (216, 131499), (228, 124578), (243, 116888), (324, 87666), (342, 83052), (456, 62289), (486, 58444), (513, 55368), (648, 43833), (684, 41526), (769, 36936), (972, 29222), (1026, 27684), (1368, 20763), (1538, 18468), (1539, 18456), (1944, 14611), (2052, 13842), (2307, 12312), (3076, 9234), (3078, 9228), (4104, 6921), (4614, 6156), (4617, 6152)]