28129696

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 40454624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 83, 89, 112, 119, 136, 166, 178, 224, 238, 272, 332, 356, 476, 544, 581, 623, 664, 712, 952, 1162, 1246, 1328, 1411, 1424, 1513, 1904, 2324, 2492, 2656, 2822, 2848, 3026, 3808, 4648, 4984, 5644, 6052, 7387, 9296, 9877, 9968, 10591, 11288, 12104, 14774, 18592, 19754, 19936, 21182, 22576, 24208, 29548, 39508, 42364, 45152, 48416, 51709, 59096, 79016, 84728, 103418, 118192, 125579, 158032, 169456, 206836, 236384, 251158, 316064, 338912, 413672, 502316, 827344, 879053, 1004632, 1654688, 1758106, 2009264, 3516212, 4018528, 7032424, 14064848, 28129696]

約数ペア:

[(1, 28129696), (2, 14064848), (4, 7032424), (7, 4018528), (8, 3516212), (14, 2009264), (16, 1758106), (17, 1654688), (28, 1004632), (32, 879053), (34, 827344), (56, 502316), (68, 413672), (83, 338912), (89, 316064), (112, 251158), (119, 236384), (136, 206836), (166, 169456), (178, 158032), (224, 125579), (238, 118192), (272, 103418), (332, 84728), (356, 79016), (476, 59096), (544, 51709), (581, 48416), (623, 45152), (664, 42364), (712, 39508), (952, 29548), (1162, 24208), (1246, 22576), (1328, 21182), (1411, 19936), (1424, 19754), (1513, 18592), (1904, 14774), (2324, 12104), (2492, 11288), (2656, 10591), (2822, 9968), (2848, 9877), (3026, 9296), (3808, 7387), (4648, 6052), (4984, 5644)]