165715456

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 356495040

約数和(自身を除く): 190779584

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 241, 256, 272, 316, 482, 512, 544, 632, 964, 1088, 1264, 1343, 1928, 2176, 2528, 2686, 3856, 4097, 4352, 5056, 5372, 7712, 8194, 8704, 10112, 10744, 15424, 16388, 19039, 20224, 21488, 30848, 32776, 38078, 40448, 42976, 61696, 65552, 76156, 85952, 123392, 131104, 152312, 171904, 262208, 304624, 323663, 343808, 524416, 609248, 647326, 687616, 1048832, 1218496, 1294652, 2097664, 2436992, 2589304, 4873984, 5178608, 9747968, 10357216, 20714432, 41428864, 82857728, 165715456]

約数ペア:

[(1, 165715456), (2, 82857728), (4, 41428864), (8, 20714432), (16, 10357216), (17, 9747968), (32, 5178608), (34, 4873984), (64, 2589304), (68, 2436992), (79, 2097664), (128, 1294652), (136, 1218496), (158, 1048832), (241, 687616), (256, 647326), (272, 609248), (316, 524416), (482, 343808), (512, 323663), (544, 304624), (632, 262208), (964, 171904), (1088, 152312), (1264, 131104), (1343, 123392), (1928, 85952), (2176, 76156), (2528, 65552), (2686, 61696), (3856, 42976), (4097, 40448), (4352, 38078), (5056, 32776), (5372, 30848), (7712, 21488), (8194, 20224), (8704, 19039), (10112, 16388), (10744, 15424)]