211361408

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 449728200

約数和(自身を除く): 238366792

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 272, 274, 544, 548, 709, 1088, 1096, 1418, 2176, 2192, 2329, 2836, 4384, 4658, 5672, 8768, 9316, 11344, 12053, 17536, 18632, 22688, 24106, 37264, 45376, 48212, 74528, 90752, 96424, 97133, 149056, 192848, 194266, 298112, 385696, 388532, 771392, 777064, 1542784, 1554128, 1651261, 3108256, 3302522, 6216512, 6605044, 12433024, 13210088, 26420176, 52840352, 105680704, 211361408]

約数ペア:

[(1, 211361408), (2, 105680704), (4, 52840352), (8, 26420176), (16, 13210088), (17, 12433024), (32, 6605044), (34, 6216512), (64, 3302522), (68, 3108256), (128, 1651261), (136, 1554128), (137, 1542784), (272, 777064), (274, 771392), (544, 388532), (548, 385696), (709, 298112), (1088, 194266), (1096, 192848), (1418, 149056), (2176, 97133), (2192, 96424), (2329, 90752), (2836, 74528), (4384, 48212), (4658, 45376), (5672, 37264), (8768, 24106), (9316, 22688), (11344, 18632), (12053, 17536)]