215091212

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1087}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 444530688

約数和(自身を除く): 229439476

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 191, 259, 382, 518, 764, 1036, 1087, 1337, 2174, 2674, 4348, 5348, 7067, 7609, 14134, 15218, 28268, 30436, 40219, 49469, 80438, 98938, 160876, 197876, 207617, 281533, 415234, 563066, 830468, 1126132, 1453319, 2906638, 5813276, 7681829, 15363658, 30727316, 53772803, 107545606, 215091212]

約数ペア:

[(1, 215091212), (2, 107545606), (4, 53772803), (7, 30727316), (14, 15363658), (28, 7681829), (37, 5813276), (74, 2906638), (148, 1453319), (191, 1126132), (259, 830468), (382, 563066), (518, 415234), (764, 281533), (1036, 207617), (1087, 197876), (1337, 160876), (2174, 98938), (2674, 80438), (4348, 49469), (5348, 40219), (7067, 30436), (7609, 28268), (14134, 15218)]