28561456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 69995520

約数和(自身を除く): 41434064

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 97, 112, 154, 176, 194, 239, 308, 388, 478, 616, 679, 776, 956, 1067, 1232, 1358, 1552, 1673, 1912, 2134, 2629, 2716, 3346, 3824, 4268, 5258, 5432, 6692, 7469, 8536, 10516, 10864, 13384, 14938, 17072, 18403, 21032, 23183, 26768, 29876, 36806, 42064, 46366, 59752, 73612, 92732, 119504, 147224, 162281, 185464, 255013, 294448, 324562, 370928, 510026, 649124, 1020052, 1298248, 1785091, 2040104, 2596496, 3570182, 4080208, 7140364, 14280728, 28561456]

約数ペア:

[(1, 28561456), (2, 14280728), (4, 7140364), (7, 4080208), (8, 3570182), (11, 2596496), (14, 2040104), (16, 1785091), (22, 1298248), (28, 1020052), (44, 649124), (56, 510026), (77, 370928), (88, 324562), (97, 294448), (112, 255013), (154, 185464), (176, 162281), (194, 147224), (239, 119504), (308, 92732), (388, 73612), (478, 59752), (616, 46366), (679, 42064), (776, 36806), (956, 29876), (1067, 26768), (1232, 23183), (1358, 21032), (1552, 18403), (1673, 17072), (1912, 14938), (2134, 13384), (2629, 10864), (2716, 10516), (3346, 8536), (3824, 7469), (4268, 6692), (5258, 5432)]