28496272

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 66301312

約数和(自身を除く): 37805040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 61, 86, 97, 112, 122, 172, 194, 244, 301, 344, 388, 427, 488, 602, 679, 688, 776, 854, 976, 1204, 1358, 1552, 1708, 2408, 2623, 2716, 3416, 4171, 4816, 5246, 5432, 5917, 6832, 8342, 10492, 10864, 11834, 16684, 18361, 20984, 23668, 29197, 33368, 36722, 41419, 41968, 47336, 58394, 66736, 73444, 82838, 94672, 116788, 146888, 165676, 233576, 254431, 293776, 331352, 467152, 508862, 662704, 1017724, 1781017, 2035448, 3562034, 4070896, 7124068, 14248136, 28496272]

約数ペア:

[(1, 28496272), (2, 14248136), (4, 7124068), (7, 4070896), (8, 3562034), (14, 2035448), (16, 1781017), (28, 1017724), (43, 662704), (56, 508862), (61, 467152), (86, 331352), (97, 293776), (112, 254431), (122, 233576), (172, 165676), (194, 146888), (244, 116788), (301, 94672), (344, 82838), (388, 73444), (427, 66736), (488, 58394), (602, 47336), (679, 41968), (688, 41419), (776, 36722), (854, 33368), (976, 29197), (1204, 23668), (1358, 20984), (1552, 18361), (1708, 16684), (2408, 11834), (2623, 10864), (2716, 10492), (3416, 8342), (4171, 6832), (4816, 5917), (5246, 5432)]