245206528

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2263

約数の個数: 80

約数和(自身を含む): 578248704

約数和(自身を除く): 333042176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 2207, 3472, 3584, 3968, 4414, 6944, 7936, 8828, 13888, 15449, 15872, 17656, 27776, 30898, 35312, 55552, 61796, 68417, 70624, 111104, 123592, 136834, 141248, 247184, 273668, 282496, 478919, 494368, 547336, 564992, 957838, 988736, 1094672, 1129984, 1915676, 1977472, 2189344, 3831352, 3954944, 4378688, 7662704, 7909888, 8757376, 15325408, 17514752, 30650816, 35029504, 61301632, 122603264, 245206528]

約数ペア:

[(1, 245206528), (2, 122603264), (4, 61301632), (7, 35029504), (8, 30650816), (14, 17514752), (16, 15325408), (28, 8757376), (31, 7909888), (32, 7662704), (56, 4378688), (62, 3954944), (64, 3831352), (112, 2189344), (124, 1977472), (128, 1915676), (217, 1129984), (224, 1094672), (248, 988736), (256, 957838), (434, 564992), (448, 547336), (496, 494368), (512, 478919), (868, 282496), (896, 273668), (992, 247184), (1736, 141248), (1792, 136834), (1984, 123592), (2207, 111104), (3472, 70624), (3584, 68417), (3968, 61796), (4414, 55552), (6944, 35312), (7936, 30898), (8828, 27776), (13888, 17656), (15449, 15872)]