28505328

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 78807456

約数和(自身を除く): 50302128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 181, 193, 204, 272, 362, 386, 408, 543, 579, 724, 772, 816, 1086, 1158, 1448, 1544, 2172, 2316, 2896, 3077, 3088, 3281, 4344, 4632, 6154, 6562, 8688, 9231, 9264, 9843, 12308, 13124, 18462, 19686, 24616, 26248, 34933, 36924, 39372, 49232, 52496, 69866, 73848, 78744, 104799, 139732, 147696, 157488, 209598, 279464, 419196, 558928, 593861, 838392, 1187722, 1676784, 1781583, 2375444, 3563166, 4750888, 7126332, 9501776, 14252664, 28505328]

約数ペア:

[(1, 28505328), (2, 14252664), (3, 9501776), (4, 7126332), (6, 4750888), (8, 3563166), (12, 2375444), (16, 1781583), (17, 1676784), (24, 1187722), (34, 838392), (48, 593861), (51, 558928), (68, 419196), (102, 279464), (136, 209598), (181, 157488), (193, 147696), (204, 139732), (272, 104799), (362, 78744), (386, 73848), (408, 69866), (543, 52496), (579, 49232), (724, 39372), (772, 36924), (816, 34933), (1086, 26248), (1158, 24616), (1448, 19686), (1544, 18462), (2172, 13124), (2316, 12308), (2896, 9843), (3077, 9264), (3088, 9231), (3281, 8688), (4344, 6562), (4632, 6154)]