81770612

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 202704768

約数和(自身を除く): 120934156

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 49, 68, 77, 92, 97, 98, 119, 154, 161, 187, 194, 196, 238, 253, 308, 322, 374, 388, 391, 476, 506, 539, 644, 679, 748, 782, 833, 1012, 1067, 1078, 1127, 1309, 1358, 1564, 1649, 1666, 1771, 2134, 2156, 2231, 2254, 2618, 2716, 2737, 3298, 3332, 3542, 4268, 4301, 4462, 4508, 4753, 5236, 5474, 6596, 7084, 7469, 8602, 8924, 9163, 9506, 10948, 11543, 12397, 14938, 15617, 17204, 18139, 18326, 19012, 19159, 23086, 24541, 24794, 29876, 30107, 31234, 36278, 36652, 37927, 38318, 46172, 49082, 49588, 52283, 60214, 62468, 72556, 75854, 76636, 80801, 98164, 104566, 109319, 120428, 126973, 151708, 161602, 171787, 209132, 210749, 218638, 253946, 265489, 323204, 343574, 417197, 421498, 437276, 507892, 530978, 687148, 834394, 842996, 888811, 1061956, 1202509, 1668788, 1777622, 1858423, 2405018, 2920379, 3555244, 3716846, 4810036, 5840758, 7433692, 11681516, 20442653, 40885306, 81770612]

約数ペア:

[(1, 81770612), (2, 40885306), (4, 20442653), (7, 11681516), (11, 7433692), (14, 5840758), (17, 4810036), (22, 3716846), (23, 3555244), (28, 2920379), (34, 2405018), (44, 1858423), (46, 1777622), (49, 1668788), (68, 1202509), (77, 1061956), (92, 888811), (97, 842996), (98, 834394), (119, 687148), (154, 530978), (161, 507892), (187, 437276), (194, 421498), (196, 417197), (238, 343574), (253, 323204), (308, 265489), (322, 253946), (374, 218638), (388, 210749), (391, 209132), (476, 171787), (506, 161602), (539, 151708), (644, 126973), (679, 120428), (748, 109319), (782, 104566), (833, 98164), (1012, 80801), (1067, 76636), (1078, 75854), (1127, 72556), (1309, 62468), (1358, 60214), (1564, 52283), (1649, 49588), (1666, 49082), (1771, 46172), (2134, 38318), (2156, 37927), (2231, 36652), (2254, 36278), (2618, 31234), (2716, 30107), (2737, 29876), (3298, 24794), (3332, 24541), (3542, 23086), (4268, 19159), (4301, 19012), (4462, 18326), (4508, 18139), (4753, 17204), (5236, 15617), (5474, 14938), (6596, 12397), (7084, 11543), (7469, 10948), (8602, 9506), (8924, 9163)]