81427038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 216760320

約数和(自身を除く): 135333282

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 79, 97, 138, 154, 158, 161, 194, 231, 237, 253, 291, 322, 462, 474, 483, 506, 553, 582, 679, 759, 869, 966, 1067, 1106, 1358, 1518, 1659, 1738, 1771, 1817, 2037, 2134, 2231, 2607, 3201, 3318, 3542, 3634, 4074, 4462, 5214, 5313, 5451, 6083, 6402, 6693, 7469, 7663, 10626, 10902, 12166, 12719, 13386, 14938, 15326, 15617, 18249, 19987, 22407, 22989, 24541, 25438, 31234, 36498, 38157, 39974, 44814, 45978, 46851, 49082, 53641, 59961, 73623, 76314, 84293, 93702, 107282, 119922, 139909, 147246, 160923, 168586, 171787, 176249, 252879, 279818, 321846, 343574, 352498, 419727, 505758, 515361, 528747, 590051, 839454, 1030722, 1057494, 1180102, 1233743, 1770153, 1938739, 2467486, 3540306, 3701229, 3877478, 5816217, 7402458, 11632434, 13571173, 27142346, 40713519, 81427038]

約数ペア:

[(1, 81427038), (2, 40713519), (3, 27142346), (6, 13571173), (7, 11632434), (11, 7402458), (14, 5816217), (21, 3877478), (22, 3701229), (23, 3540306), (33, 2467486), (42, 1938739), (46, 1770153), (66, 1233743), (69, 1180102), (77, 1057494), (79, 1030722), (97, 839454), (138, 590051), (154, 528747), (158, 515361), (161, 505758), (194, 419727), (231, 352498), (237, 343574), (253, 321846), (291, 279818), (322, 252879), (462, 176249), (474, 171787), (483, 168586), (506, 160923), (553, 147246), (582, 139909), (679, 119922), (759, 107282), (869, 93702), (966, 84293), (1067, 76314), (1106, 73623), (1358, 59961), (1518, 53641), (1659, 49082), (1738, 46851), (1771, 45978), (1817, 44814), (2037, 39974), (2134, 38157), (2231, 36498), (2607, 31234), (3201, 25438), (3318, 24541), (3542, 22989), (3634, 22407), (4074, 19987), (4462, 18249), (5214, 15617), (5313, 15326), (5451, 14938), (6083, 13386), (6402, 12719), (6693, 12166), (7469, 10902), (7663, 10626)]