28209664

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:505

約数の個数: 80

約数和(自身を含む): 68352768

約数和(自身を除く): 40143104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 463, 476, 512, 544, 896, 926, 952, 1088, 1792, 1852, 1904, 2176, 3241, 3584, 3704, 3808, 4352, 6482, 7408, 7616, 7871, 8704, 12964, 14816, 15232, 15742, 25928, 29632, 30464, 31484, 51856, 55097, 59264, 60928, 62968, 103712, 110194, 118528, 125936, 207424, 220388, 237056, 251872, 414848, 440776, 503744, 829696, 881552, 1007488, 1659392, 1763104, 2014976, 3526208, 4029952, 7052416, 14104832, 28209664]

約数ペア:

[(1, 28209664), (2, 14104832), (4, 7052416), (7, 4029952), (8, 3526208), (14, 2014976), (16, 1763104), (17, 1659392), (28, 1007488), (32, 881552), (34, 829696), (56, 503744), (64, 440776), (68, 414848), (112, 251872), (119, 237056), (128, 220388), (136, 207424), (224, 125936), (238, 118528), (256, 110194), (272, 103712), (448, 62968), (463, 60928), (476, 59264), (512, 55097), (544, 51856), (896, 31484), (926, 30464), (952, 29632), (1088, 25928), (1792, 15742), (1852, 15232), (1904, 14816), (2176, 12964), (3241, 8704), (3584, 7871), (3704, 7616), (3808, 7408), (4352, 6482)]