28348068

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 79084992

約数和(自身を除く): 50736924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 1036, 1303, 1554, 1813, 2606, 3108, 3626, 3909, 5212, 5439, 7252, 7818, 9121, 10878, 15636, 18242, 21756, 27363, 36484, 48211, 54726, 63847, 96422, 109452, 127694, 144633, 191541, 192844, 255388, 289266, 337477, 383082, 578532, 674954, 766164, 1012431, 1349908, 2024862, 2362339, 4049724, 4724678, 7087017, 9449356, 14174034, 28348068]

約数ペア:

[(1, 28348068), (2, 14174034), (3, 9449356), (4, 7087017), (6, 4724678), (7, 4049724), (12, 2362339), (14, 2024862), (21, 1349908), (28, 1012431), (37, 766164), (42, 674954), (49, 578532), (74, 383082), (84, 337477), (98, 289266), (111, 255388), (147, 192844), (148, 191541), (196, 144633), (222, 127694), (259, 109452), (294, 96422), (444, 63847), (518, 54726), (588, 48211), (777, 36484), (1036, 27363), (1303, 21756), (1554, 18242), (1813, 15636), (2606, 10878), (3108, 9121), (3626, 7818), (3909, 7252), (5212, 5439)]