213884752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18287}}^1$

素因数の和:18355

約数の個数: 40

約数和(自身を含む): 449006976

約数和(自身を除く): 235122224

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 11696, 18287, 36574, 73148, 146296, 292592, 310879, 621758, 786341, 1243516, 1572682, 2487032, 3145364, 4974064, 6290728, 12581456, 13367797, 26735594, 53471188, 106942376, 213884752]

約数ペア:

[(1, 213884752), (2, 106942376), (4, 53471188), (8, 26735594), (16, 13367797), (17, 12581456), (34, 6290728), (43, 4974064), (68, 3145364), (86, 2487032), (136, 1572682), (172, 1243516), (272, 786341), (344, 621758), (688, 310879), (731, 292592), (1462, 146296), (2924, 73148), (5848, 36574), (11696, 18287)]