28408002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 69242880

約数和(自身を除く): 40834878

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 97, 114, 133, 194, 266, 291, 367, 399, 582, 679, 734, 798, 1101, 1358, 1843, 2037, 2202, 2569, 3686, 4074, 5138, 5529, 6973, 7707, 11058, 12901, 13946, 15414, 20919, 25802, 35599, 38703, 41838, 48811, 71198, 77406, 97622, 106797, 146433, 213594, 249193, 292866, 498386, 676381, 747579, 1352762, 1495158, 2029143, 4058286, 4734667, 9469334, 14204001, 28408002]

約数ペア:

[(1, 28408002), (2, 14204001), (3, 9469334), (6, 4734667), (7, 4058286), (14, 2029143), (19, 1495158), (21, 1352762), (38, 747579), (42, 676381), (57, 498386), (97, 292866), (114, 249193), (133, 213594), (194, 146433), (266, 106797), (291, 97622), (367, 77406), (399, 71198), (582, 48811), (679, 41838), (734, 38703), (798, 35599), (1101, 25802), (1358, 20919), (1843, 15414), (2037, 13946), (2202, 12901), (2569, 11058), (3686, 7707), (4074, 6973), (5138, 5529)]