81236688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 227443776

約数和(自身を除く): 146207088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 211, 312, 422, 617, 624, 633, 844, 1234, 1266, 1688, 1851, 2468, 2532, 2743, 3376, 3702, 4936, 5064, 5486, 7404, 8021, 8229, 9872, 10128, 10972, 14808, 16042, 16458, 21944, 24063, 29616, 32084, 32916, 43888, 48126, 64168, 65832, 96252, 128336, 130187, 131664, 192504, 260374, 385008, 390561, 520748, 781122, 1041496, 1562244, 1692431, 2082992, 3124488, 3384862, 5077293, 6248976, 6769724, 10154586, 13539448, 20309172, 27078896, 40618344, 81236688]

約数ペア:

[(1, 81236688), (2, 40618344), (3, 27078896), (4, 20309172), (6, 13539448), (8, 10154586), (12, 6769724), (13, 6248976), (16, 5077293), (24, 3384862), (26, 3124488), (39, 2082992), (48, 1692431), (52, 1562244), (78, 1041496), (104, 781122), (156, 520748), (208, 390561), (211, 385008), (312, 260374), (422, 192504), (617, 131664), (624, 130187), (633, 128336), (844, 96252), (1234, 65832), (1266, 64168), (1688, 48126), (1851, 43888), (2468, 32916), (2532, 32084), (2743, 29616), (3376, 24063), (3702, 21944), (4936, 16458), (5064, 16042), (5486, 14808), (7404, 10972), (8021, 10128), (8229, 9872)]