81451356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 226759680

約数和(自身を除く): 145308324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 73, 74, 84, 111, 146, 148, 219, 222, 259, 292, 359, 438, 444, 511, 518, 718, 777, 876, 1022, 1036, 1077, 1436, 1533, 1554, 2044, 2154, 2513, 2701, 3066, 3108, 4308, 5026, 5402, 6132, 7539, 8103, 10052, 10804, 13283, 15078, 16206, 18907, 26207, 26566, 30156, 32412, 37814, 39849, 52414, 53132, 56721, 75628, 78621, 79698, 92981, 104828, 113442, 157242, 159396, 183449, 185962, 226884, 278943, 314484, 366898, 371924, 550347, 557886, 733796, 969659, 1100694, 1115772, 1939318, 2201388, 2908977, 3878636, 5817954, 6787613, 11635908, 13575226, 20362839, 27150452, 40725678, 81451356]

約数ペア:

[(1, 81451356), (2, 40725678), (3, 27150452), (4, 20362839), (6, 13575226), (7, 11635908), (12, 6787613), (14, 5817954), (21, 3878636), (28, 2908977), (37, 2201388), (42, 1939318), (73, 1115772), (74, 1100694), (84, 969659), (111, 733796), (146, 557886), (148, 550347), (219, 371924), (222, 366898), (259, 314484), (292, 278943), (359, 226884), (438, 185962), (444, 183449), (511, 159396), (518, 157242), (718, 113442), (777, 104828), (876, 92981), (1022, 79698), (1036, 78621), (1077, 75628), (1436, 56721), (1533, 53132), (1554, 52414), (2044, 39849), (2154, 37814), (2513, 32412), (2701, 30156), (3066, 26566), (3108, 26207), (4308, 18907), (5026, 16206), (5402, 15078), (6132, 13283), (7539, 10804), (8103, 10052)]