28458276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 96

約数和(自身を含む): 87198720

約数和(自身を除く): 58740444

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 114, 132, 133, 154, 209, 228, 231, 266, 308, 399, 418, 462, 532, 627, 798, 836, 924, 1254, 1463, 1596, 1621, 2508, 2926, 3242, 4389, 4863, 5852, 6484, 8778, 9726, 11347, 17556, 17831, 19452, 22694, 30799, 34041, 35662, 45388, 53493, 61598, 68082, 71324, 92397, 106986, 123196, 124817, 136164, 184794, 213972, 215593, 249634, 338789, 369588, 374451, 431186, 499268, 646779, 677578, 748902, 862372, 1016367, 1293558, 1355156, 1497804, 2032734, 2371523, 2587116, 4065468, 4743046, 7114569, 9486092, 14229138, 28458276]

約数ペア:

[(1, 28458276), (2, 14229138), (3, 9486092), (4, 7114569), (6, 4743046), (7, 4065468), (11, 2587116), (12, 2371523), (14, 2032734), (19, 1497804), (21, 1355156), (22, 1293558), (28, 1016367), (33, 862372), (38, 748902), (42, 677578), (44, 646779), (57, 499268), (66, 431186), (76, 374451), (77, 369588), (84, 338789), (114, 249634), (132, 215593), (133, 213972), (154, 184794), (209, 136164), (228, 124817), (231, 123196), (266, 106986), (308, 92397), (399, 71324), (418, 68082), (462, 61598), (532, 53493), (627, 45388), (798, 35662), (836, 34041), (924, 30799), (1254, 22694), (1463, 19452), (1596, 17831), (1621, 17556), (2508, 11347), (2926, 9726), (3242, 8778), (4389, 6484), (4863, 5852)]