28913724

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 108

約数和(自身を含む): 87515064

約数和(自身を除く): 58601340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 49, 63, 74, 84, 98, 111, 126, 147, 148, 196, 222, 252, 259, 294, 333, 441, 443, 444, 518, 588, 666, 777, 882, 886, 1036, 1329, 1332, 1554, 1764, 1772, 1813, 2331, 2658, 3101, 3108, 3626, 3987, 4662, 5316, 5439, 6202, 7252, 7974, 9303, 9324, 10878, 12404, 15948, 16317, 16391, 18606, 21707, 21756, 27909, 32634, 32782, 37212, 43414, 49173, 55818, 65121, 65268, 65564, 86828, 98346, 111636, 114737, 130242, 147519, 195363, 196692, 229474, 260484, 295038, 344211, 390726, 458948, 590076, 688422, 781452, 803159, 1032633, 1376844, 1606318, 2065266, 2409477, 3212636, 4130532, 4818954, 7228431, 9637908, 14456862, 28913724]

約数ペア:

[(1, 28913724), (2, 14456862), (3, 9637908), (4, 7228431), (6, 4818954), (7, 4130532), (9, 3212636), (12, 2409477), (14, 2065266), (18, 1606318), (21, 1376844), (28, 1032633), (36, 803159), (37, 781452), (42, 688422), (49, 590076), (63, 458948), (74, 390726), (84, 344211), (98, 295038), (111, 260484), (126, 229474), (147, 196692), (148, 195363), (196, 147519), (222, 130242), (252, 114737), (259, 111636), (294, 98346), (333, 86828), (441, 65564), (443, 65268), (444, 65121), (518, 55818), (588, 49173), (666, 43414), (777, 37212), (882, 32782), (886, 32634), (1036, 27909), (1329, 21756), (1332, 21707), (1554, 18606), (1764, 16391), (1772, 16317), (1813, 15948), (2331, 12404), (2658, 10878), (3101, 9324), (3108, 9303), (3626, 7974), (3987, 7252), (4662, 6202), (5316, 5439)]