256815104

素因数分解:

$2^{12}\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 156

約数和(自身を含む): 647547696

約数和(自身を除く): 390732592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 53, 56, 64, 91, 104, 106, 112, 128, 169, 182, 208, 212, 224, 256, 338, 364, 371, 416, 424, 448, 512, 676, 689, 728, 742, 832, 848, 896, 1024, 1183, 1352, 1378, 1456, 1484, 1664, 1696, 1792, 2048, 2366, 2704, 2756, 2912, 2968, 3328, 3392, 3584, 4096, 4732, 4823, 5408, 5512, 5824, 5936, 6656, 6784, 7168, 8957, 9464, 9646, 10816, 11024, 11648, 11872, 13312, 13568, 14336, 17914, 18928, 19292, 21632, 22048, 23296, 23744, 26624, 27136, 28672, 35828, 37856, 38584, 43264, 44096, 46592, 47488, 53248, 54272, 62699, 71656, 75712, 77168, 86528, 88192, 93184, 94976, 108544, 125398, 143312, 151424, 154336, 173056, 176384, 186368, 189952, 217088, 250796, 286624, 302848, 308672, 346112, 352768, 372736, 379904, 501592, 573248, 605696, 617344, 692224, 705536, 759808, 1003184, 1146496, 1211392, 1234688, 1411072, 1519616, 2006368, 2292992, 2422784, 2469376, 2822144, 4012736, 4585984, 4845568, 4938752, 8025472, 9171968, 9877504, 16050944, 18343936, 19755008, 32101888, 36687872, 64203776, 128407552, 256815104]

約数ペア:

[(1, 256815104), (2, 128407552), (4, 64203776), (7, 36687872), (8, 32101888), (13, 19755008), (14, 18343936), (16, 16050944), (26, 9877504), (28, 9171968), (32, 8025472), (52, 4938752), (53, 4845568), (56, 4585984), (64, 4012736), (91, 2822144), (104, 2469376), (106, 2422784), (112, 2292992), (128, 2006368), (169, 1519616), (182, 1411072), (208, 1234688), (212, 1211392), (224, 1146496), (256, 1003184), (338, 759808), (364, 705536), (371, 692224), (416, 617344), (424, 605696), (448, 573248), (512, 501592), (676, 379904), (689, 372736), (728, 352768), (742, 346112), (832, 308672), (848, 302848), (896, 286624), (1024, 250796), (1183, 217088), (1352, 189952), (1378, 186368), (1456, 176384), (1484, 173056), (1664, 154336), (1696, 151424), (1792, 143312), (2048, 125398), (2366, 108544), (2704, 94976), (2756, 93184), (2912, 88192), (2968, 86528), (3328, 77168), (3392, 75712), (3584, 71656), (4096, 62699), (4732, 54272), (4823, 53248), (5408, 47488), (5512, 46592), (5824, 44096), (5936, 43264), (6656, 38584), (6784, 37856), (7168, 35828), (8957, 28672), (9464, 27136), (9646, 26624), (10816, 23744), (11024, 23296), (11648, 22048), (11872, 21632), (13312, 19292), (13568, 18928), (14336, 17914)]