28907088

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 85946880

約数和(自身を除く): 57039792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 227, 336, 379, 454, 681, 758, 908, 1137, 1362, 1516, 1589, 1816, 2274, 2653, 2724, 3032, 3178, 3632, 4548, 4767, 5306, 5448, 6064, 6356, 7959, 9096, 9534, 10612, 10896, 12712, 15918, 18192, 19068, 21224, 25424, 31836, 38136, 42448, 63672, 76272, 86033, 127344, 172066, 258099, 344132, 516198, 602231, 688264, 1032396, 1204462, 1376528, 1806693, 2064792, 2408924, 3613386, 4129584, 4817848, 7226772, 9635696, 14453544, 28907088]

約数ペア:

[(1, 28907088), (2, 14453544), (3, 9635696), (4, 7226772), (6, 4817848), (7, 4129584), (8, 3613386), (12, 2408924), (14, 2064792), (16, 1806693), (21, 1376528), (24, 1204462), (28, 1032396), (42, 688264), (48, 602231), (56, 516198), (84, 344132), (112, 258099), (168, 172066), (227, 127344), (336, 86033), (379, 76272), (454, 63672), (681, 42448), (758, 38136), (908, 31836), (1137, 25424), (1362, 21224), (1516, 19068), (1589, 18192), (1816, 15918), (2274, 12712), (2653, 10896), (2724, 10612), (3032, 9534), (3178, 9096), (3632, 7959), (4548, 6356), (4767, 6064), (5306, 5448)]