28746704

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 67043328

約数和(自身を除く): 38296624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 47, 56, 86, 94, 112, 127, 172, 188, 254, 301, 329, 344, 376, 508, 602, 658, 688, 752, 889, 1016, 1204, 1316, 1778, 2021, 2032, 2408, 2632, 3556, 4042, 4816, 5264, 5461, 5969, 7112, 8084, 10922, 11938, 14147, 14224, 16168, 21844, 23876, 28294, 32336, 38227, 41783, 43688, 47752, 56588, 76454, 83566, 87376, 95504, 113176, 152908, 167132, 226352, 256667, 305816, 334264, 513334, 611632, 668528, 1026668, 1796669, 2053336, 3593338, 4106672, 7186676, 14373352, 28746704]

約数ペア:

[(1, 28746704), (2, 14373352), (4, 7186676), (7, 4106672), (8, 3593338), (14, 2053336), (16, 1796669), (28, 1026668), (43, 668528), (47, 611632), (56, 513334), (86, 334264), (94, 305816), (112, 256667), (127, 226352), (172, 167132), (188, 152908), (254, 113176), (301, 95504), (329, 87376), (344, 83566), (376, 76454), (508, 56588), (602, 47752), (658, 43688), (688, 41783), (752, 38227), (889, 32336), (1016, 28294), (1204, 23876), (1316, 21844), (1778, 16168), (2021, 14224), (2032, 14147), (2408, 11938), (2632, 10922), (3556, 8084), (4042, 7112), (4816, 5969), (5264, 5461)]