213635008

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:725

約数の個数: 56

約数和(自身を含む): 437540400

約数和(自身を除く): 223905392

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 149, 172, 298, 344, 521, 596, 688, 1042, 1192, 1376, 2084, 2384, 2752, 4168, 4768, 6407, 8336, 9536, 12814, 16672, 22403, 25628, 33344, 44806, 51256, 77629, 89612, 102512, 155258, 179224, 205024, 310516, 358448, 410048, 621032, 716896, 1242064, 1433792, 2484128, 3338047, 4968256, 6676094, 13352188, 26704376, 53408752, 106817504, 213635008]

約数ペア:

[(1, 213635008), (2, 106817504), (4, 53408752), (8, 26704376), (16, 13352188), (32, 6676094), (43, 4968256), (64, 3338047), (86, 2484128), (149, 1433792), (172, 1242064), (298, 716896), (344, 621032), (521, 410048), (596, 358448), (688, 310516), (1042, 205024), (1192, 179224), (1376, 155258), (2084, 102512), (2384, 89612), (2752, 77629), (4168, 51256), (4768, 44806), (6407, 33344), (8336, 25628), (9536, 22403), (12814, 16672)]