213427984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{907}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 518823936

約数和(自身を除く): 305395952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 191, 308, 382, 616, 764, 907, 1232, 1337, 1528, 1814, 2101, 2674, 3056, 3628, 4202, 5348, 6349, 7256, 8404, 9977, 10696, 12698, 14512, 14707, 16808, 19954, 21392, 25396, 29414, 33616, 39908, 50792, 58828, 69839, 79816, 101584, 117656, 139678, 159632, 173237, 235312, 279356, 346474, 558712, 692948, 1117424, 1212659, 1385896, 1905607, 2425318, 2771792, 3811214, 4850636, 7622428, 9701272, 13339249, 15244856, 19402544, 26678498, 30489712, 53356996, 106713992, 213427984]

約数ペア:

[(1, 213427984), (2, 106713992), (4, 53356996), (7, 30489712), (8, 26678498), (11, 19402544), (14, 15244856), (16, 13339249), (22, 9701272), (28, 7622428), (44, 4850636), (56, 3811214), (77, 2771792), (88, 2425318), (112, 1905607), (154, 1385896), (176, 1212659), (191, 1117424), (308, 692948), (382, 558712), (616, 346474), (764, 279356), (907, 235312), (1232, 173237), (1337, 159632), (1528, 139678), (1814, 117656), (2101, 101584), (2674, 79816), (3056, 69839), (3628, 58828), (4202, 50792), (5348, 39908), (6349, 33616), (7256, 29414), (8404, 25396), (9977, 21392), (10696, 19954), (12698, 16808), (14512, 14707)]