212955428

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 432561024

約数和(自身を除く): 219605596

約数列:

[1, 2, 4, 7, 14, 28, 157, 193, 251, 314, 386, 502, 628, 772, 1004, 1099, 1351, 1757, 2198, 2702, 3514, 4396, 5404, 7028, 30301, 39407, 48443, 60602, 78814, 96886, 121204, 157628, 193772, 212107, 275849, 339101, 424214, 551698, 678202, 848428, 1103396, 1356404, 7605551, 15211102, 30422204, 53238857, 106477714, 212955428]

約数ペア:

[(1, 212955428), (2, 106477714), (4, 53238857), (7, 30422204), (14, 15211102), (28, 7605551), (157, 1356404), (193, 1103396), (251, 848428), (314, 678202), (386, 551698), (502, 424214), (628, 339101), (772, 275849), (1004, 212107), (1099, 193772), (1351, 157628), (1757, 121204), (2198, 96886), (2702, 78814), (3514, 60602), (4396, 48443), (5404, 39407), (7028, 30301)]