64331264

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 143629200

約数和(自身を除く): 79297936

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 389, 512, 544, 608, 646, 778, 1088, 1216, 1292, 1556, 2176, 2432, 2584, 3112, 4352, 4864, 5168, 6224, 6613, 7391, 8704, 9728, 10336, 12448, 13226, 14782, 20672, 24896, 26452, 29564, 41344, 49792, 52904, 59128, 82688, 99584, 105808, 118256, 125647, 165376, 199168, 211616, 236512, 251294, 423232, 473024, 502588, 846464, 946048, 1005176, 1692928, 1892096, 2010352, 3385856, 3784192, 4020704, 8041408, 16082816, 32165632, 64331264]

約数ペア:

[(1, 64331264), (2, 32165632), (4, 16082816), (8, 8041408), (16, 4020704), (17, 3784192), (19, 3385856), (32, 2010352), (34, 1892096), (38, 1692928), (64, 1005176), (68, 946048), (76, 846464), (128, 502588), (136, 473024), (152, 423232), (256, 251294), (272, 236512), (304, 211616), (323, 199168), (389, 165376), (512, 125647), (544, 118256), (608, 105808), (646, 99584), (778, 82688), (1088, 59128), (1216, 52904), (1292, 49792), (1556, 41344), (2176, 29564), (2432, 26452), (2584, 24896), (3112, 20672), (4352, 14782), (4864, 13226), (5168, 12448), (6224, 10336), (6613, 9728), (7391, 8704)]