1218237952

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2089}}^1$

素因数の和:2191

約数の個数: 80

約数和(自身を含む): 2616997680

約数和(自身を除く): 1398759728

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 128, 134, 136, 256, 268, 272, 512, 536, 544, 1072, 1088, 1139, 2089, 2144, 2176, 2278, 4178, 4288, 4352, 4556, 8356, 8576, 8704, 9112, 16712, 17152, 18224, 33424, 34304, 35513, 36448, 66848, 71026, 72896, 133696, 139963, 142052, 145792, 267392, 279926, 284104, 291584, 534784, 559852, 568208, 583168, 1069568, 1119704, 1136416, 2239408, 2272832, 2379371, 4478816, 4545664, 4758742, 8957632, 9091328, 9517484, 17915264, 18182656, 19034968, 35830528, 38069936, 71661056, 76139872, 152279744, 304559488, 609118976, 1218237952]

約数ペア:

[(1, 1218237952), (2, 609118976), (4, 304559488), (8, 152279744), (16, 76139872), (17, 71661056), (32, 38069936), (34, 35830528), (64, 19034968), (67, 18182656), (68, 17915264), (128, 9517484), (134, 9091328), (136, 8957632), (256, 4758742), (268, 4545664), (272, 4478816), (512, 2379371), (536, 2272832), (544, 2239408), (1072, 1136416), (1088, 1119704), (1139, 1069568), (2089, 583168), (2144, 568208), (2176, 559852), (2278, 534784), (4178, 291584), (4288, 284104), (4352, 279926), (4556, 267392), (8356, 145792), (8576, 142052), (8704, 139963), (9112, 133696), (16712, 72896), (17152, 71026), (18224, 66848), (33424, 36448), (34304, 35513)]