221773568

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 473513040

約数和(自身を除く): 251739472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 131, 136, 256, 262, 272, 389, 524, 544, 778, 1048, 1088, 1556, 2096, 2176, 2227, 3112, 4192, 4352, 4454, 6224, 6613, 8384, 8908, 12448, 13226, 16768, 17816, 24896, 26452, 33536, 35632, 49792, 50959, 52904, 71264, 99584, 101918, 105808, 142528, 203836, 211616, 285056, 407672, 423232, 570112, 815344, 846464, 866303, 1630688, 1692928, 1732606, 3261376, 3465212, 6522752, 6930424, 13045504, 13860848, 27721696, 55443392, 110886784, 221773568]

約数ペア:

[(1, 221773568), (2, 110886784), (4, 55443392), (8, 27721696), (16, 13860848), (17, 13045504), (32, 6930424), (34, 6522752), (64, 3465212), (68, 3261376), (128, 1732606), (131, 1692928), (136, 1630688), (256, 866303), (262, 846464), (272, 815344), (389, 570112), (524, 423232), (544, 407672), (778, 285056), (1048, 211616), (1088, 203836), (1556, 142528), (2096, 105808), (2176, 101918), (2227, 99584), (3112, 71264), (4192, 52904), (4352, 50959), (4454, 49792), (6224, 35632), (6613, 33536), (8384, 26452), (8908, 24896), (12448, 17816), (13226, 16768)]