28493808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 84875520

約数和(自身を除く): 56381712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 137, 168, 274, 336, 411, 548, 619, 822, 959, 1096, 1238, 1644, 1857, 1918, 2192, 2476, 2877, 3288, 3714, 3836, 4333, 4952, 5754, 6576, 7428, 7672, 8666, 9904, 11508, 12999, 14856, 15344, 17332, 23016, 25998, 29712, 34664, 46032, 51996, 69328, 84803, 103992, 169606, 207984, 254409, 339212, 508818, 593621, 678424, 1017636, 1187242, 1356848, 1780863, 2035272, 2374484, 3561726, 4070544, 4748968, 7123452, 9497936, 14246904, 28493808]

約数ペア:

[(1, 28493808), (2, 14246904), (3, 9497936), (4, 7123452), (6, 4748968), (7, 4070544), (8, 3561726), (12, 2374484), (14, 2035272), (16, 1780863), (21, 1356848), (24, 1187242), (28, 1017636), (42, 678424), (48, 593621), (56, 508818), (84, 339212), (112, 254409), (137, 207984), (168, 169606), (274, 103992), (336, 84803), (411, 69328), (548, 51996), (619, 46032), (822, 34664), (959, 29712), (1096, 25998), (1238, 23016), (1644, 17332), (1857, 15344), (1918, 14856), (2192, 12999), (2476, 11508), (2877, 9904), (3288, 8666), (3714, 7672), (3836, 7428), (4333, 6576), (4952, 5754)]