28497196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 62218240

約数和(自身を除く): 33721044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 991, 1027, 1106, 1982, 2054, 2212, 3964, 4108, 6937, 7189, 12883, 13874, 14378, 25766, 27748, 28756, 51532, 78289, 90181, 156578, 180362, 313156, 360724, 548023, 1017757, 1096046, 2035514, 2192092, 4071028, 7124299, 14248598, 28497196]

約数ペア:

[(1, 28497196), (2, 14248598), (4, 7124299), (7, 4071028), (13, 2192092), (14, 2035514), (26, 1096046), (28, 1017757), (52, 548023), (79, 360724), (91, 313156), (158, 180362), (182, 156578), (316, 90181), (364, 78289), (553, 51532), (991, 28756), (1027, 27748), (1106, 25766), (1982, 14378), (2054, 13874), (2212, 12883), (3964, 7189), (4108, 6937)]