28153972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 68705280

約数和(自身を除く): 40551308

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 187, 209, 238, 266, 283, 308, 323, 374, 418, 476, 532, 566, 646, 748, 836, 1132, 1292, 1309, 1463, 1981, 2261, 2618, 2926, 3113, 3553, 3962, 4522, 4811, 5236, 5377, 5852, 6226, 7106, 7924, 9044, 9622, 10754, 12452, 14212, 19244, 21508, 21791, 24871, 33677, 37639, 43582, 49742, 52921, 59147, 67354, 75278, 87164, 91409, 99484, 105842, 118294, 134708, 150556, 182818, 211684, 236588, 365636, 370447, 414029, 639863, 740894, 828058, 1005499, 1279726, 1481788, 1656116, 2010998, 2559452, 4021996, 7038493, 14076986, 28153972]

約数ペア:

[(1, 28153972), (2, 14076986), (4, 7038493), (7, 4021996), (11, 2559452), (14, 2010998), (17, 1656116), (19, 1481788), (22, 1279726), (28, 1005499), (34, 828058), (38, 740894), (44, 639863), (68, 414029), (76, 370447), (77, 365636), (119, 236588), (133, 211684), (154, 182818), (187, 150556), (209, 134708), (238, 118294), (266, 105842), (283, 99484), (308, 91409), (323, 87164), (374, 75278), (418, 67354), (476, 59147), (532, 52921), (566, 49742), (646, 43582), (748, 37639), (836, 33677), (1132, 24871), (1292, 21791), (1309, 21508), (1463, 19244), (1981, 14212), (2261, 12452), (2618, 10754), (2926, 9622), (3113, 9044), (3553, 7924), (3962, 7106), (4522, 6226), (4811, 5852), (5236, 5377)]