821570288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{39227}}^1$

素因数の和:39270

約数の個数: 80

約数和(自身を含む): 2101365504

約数和(自身を除く): 1279795216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1309, 1496, 1904, 2618, 2992, 5236, 10472, 20944, 39227, 78454, 156908, 274589, 313816, 431497, 549178, 627632, 666859, 862994, 1098356, 1333718, 1725988, 2196712, 2667436, 3020479, 3451976, 4393424, 4668013, 5334872, 6040958, 6903952, 7335449, 9336026, 10669744, 12081916, 14670898, 18672052, 24163832, 29341796, 37344104, 48327664, 51348143, 58683592, 74688208, 102696286, 117367184, 205392572, 410785144, 821570288]

約数ペア:

[(1, 821570288), (2, 410785144), (4, 205392572), (7, 117367184), (8, 102696286), (11, 74688208), (14, 58683592), (16, 51348143), (17, 48327664), (22, 37344104), (28, 29341796), (34, 24163832), (44, 18672052), (56, 14670898), (68, 12081916), (77, 10669744), (88, 9336026), (112, 7335449), (119, 6903952), (136, 6040958), (154, 5334872), (176, 4668013), (187, 4393424), (238, 3451976), (272, 3020479), (308, 2667436), (374, 2196712), (476, 1725988), (616, 1333718), (748, 1098356), (952, 862994), (1232, 666859), (1309, 627632), (1496, 549178), (1904, 431497), (2618, 313816), (2992, 274589), (5236, 156908), (10472, 78454), (20944, 39227)]