686998272

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 1903765248

約数和(自身を除く): 1216766976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 71, 86, 96, 128, 129, 142, 172, 192, 213, 256, 258, 284, 293, 344, 384, 426, 516, 568, 586, 688, 768, 852, 879, 1032, 1136, 1172, 1376, 1704, 1758, 2064, 2272, 2344, 2752, 3053, 3408, 3516, 4128, 4544, 4688, 5504, 6106, 6816, 7032, 8256, 9088, 9159, 9376, 11008, 12212, 12599, 13632, 14064, 16512, 18176, 18318, 18752, 20803, 24424, 25198, 27264, 28128, 33024, 36636, 37504, 37797, 41606, 48848, 50396, 54528, 56256, 62409, 73272, 75008, 75594, 83212, 97696, 100792, 112512, 124818, 146544, 151188, 166424, 195392, 201584, 225024, 249636, 293088, 302376, 332848, 390784, 403168, 499272, 586176, 604752, 665696, 781568, 806336, 894529, 998544, 1172352, 1209504, 1331392, 1612672, 1789058, 1997088, 2344704, 2419008, 2662784, 2683587, 3225344, 3578116, 3994176, 4838016, 5325568, 5367174, 7156232, 7988352, 9676032, 10734348, 14312464, 15976704, 21468696, 28624928, 42937392, 57249856, 85874784, 114499712, 171749568, 228999424, 343499136, 686998272]

約数ペア:

[(1, 686998272), (2, 343499136), (3, 228999424), (4, 171749568), (6, 114499712), (8, 85874784), (12, 57249856), (16, 42937392), (24, 28624928), (32, 21468696), (43, 15976704), (48, 14312464), (64, 10734348), (71, 9676032), (86, 7988352), (96, 7156232), (128, 5367174), (129, 5325568), (142, 4838016), (172, 3994176), (192, 3578116), (213, 3225344), (256, 2683587), (258, 2662784), (284, 2419008), (293, 2344704), (344, 1997088), (384, 1789058), (426, 1612672), (516, 1331392), (568, 1209504), (586, 1172352), (688, 998544), (768, 894529), (852, 806336), (879, 781568), (1032, 665696), (1136, 604752), (1172, 586176), (1376, 499272), (1704, 403168), (1758, 390784), (2064, 332848), (2272, 302376), (2344, 293088), (2752, 249636), (3053, 225024), (3408, 201584), (3516, 195392), (4128, 166424), (4544, 151188), (4688, 146544), (5504, 124818), (6106, 112512), (6816, 100792), (7032, 97696), (8256, 83212), (9088, 75594), (9159, 75008), (9376, 73272), (11008, 62409), (12212, 56256), (12599, 54528), (13632, 50396), (14064, 48848), (16512, 41606), (18176, 37797), (18318, 37504), (18752, 36636), (20803, 33024), (24424, 28128), (25198, 27264)]