28888776

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 94498560

約数和(自身を除く): 65609784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 43, 56, 62, 63, 72, 84, 86, 93, 124, 126, 129, 168, 172, 186, 217, 248, 252, 258, 279, 301, 344, 372, 387, 434, 504, 516, 558, 602, 651, 744, 774, 868, 903, 1032, 1116, 1204, 1302, 1333, 1548, 1736, 1806, 1849, 1953, 2232, 2408, 2604, 2666, 2709, 3096, 3612, 3698, 3906, 3999, 5208, 5332, 5418, 5547, 7224, 7396, 7812, 7998, 9331, 10664, 10836, 11094, 11997, 12943, 14792, 15624, 15996, 16641, 18662, 21672, 22188, 23994, 25886, 27993, 31992, 33282, 37324, 38829, 44376, 47988, 51772, 55986, 57319, 66564, 74648, 77658, 83979, 95976, 103544, 111972, 114638, 116487, 133128, 155316, 167958, 171957, 223944, 229276, 232974, 310632, 335916, 343914, 401233, 458552, 465948, 515871, 671832, 687828, 802466, 931896, 1031742, 1203699, 1375656, 1604932, 2063484, 2407398, 3209864, 3611097, 4126968, 4814796, 7222194, 9629592, 14444388, 28888776]

約数ペア:

[(1, 28888776), (2, 14444388), (3, 9629592), (4, 7222194), (6, 4814796), (7, 4126968), (8, 3611097), (9, 3209864), (12, 2407398), (14, 2063484), (18, 1604932), (21, 1375656), (24, 1203699), (28, 1031742), (31, 931896), (36, 802466), (42, 687828), (43, 671832), (56, 515871), (62, 465948), (63, 458552), (72, 401233), (84, 343914), (86, 335916), (93, 310632), (124, 232974), (126, 229276), (129, 223944), (168, 171957), (172, 167958), (186, 155316), (217, 133128), (248, 116487), (252, 114638), (258, 111972), (279, 103544), (301, 95976), (344, 83979), (372, 77658), (387, 74648), (434, 66564), (504, 57319), (516, 55986), (558, 51772), (602, 47988), (651, 44376), (744, 38829), (774, 37324), (868, 33282), (903, 31992), (1032, 27993), (1116, 25886), (1204, 23994), (1302, 22188), (1333, 21672), (1548, 18662), (1736, 16641), (1806, 15996), (1849, 15624), (1953, 14792), (2232, 12943), (2408, 11997), (2604, 11094), (2666, 10836), (2709, 10664), (3096, 9331), (3612, 7998), (3698, 7812), (3906, 7396), (3999, 7224), (5208, 5547), (5332, 5418)]