28404530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1059

約数の個数: 64

約数和(自身を含む): 65532672

約数和(自身を除く): 37128142

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 770, 814, 997, 1295, 1994, 2035, 2590, 2849, 4070, 4985, 5698, 6979, 9970, 10967, 13958, 14245, 21934, 28490, 34895, 36889, 54835, 69790, 73778, 76769, 109670, 153538, 184445, 258223, 368890, 383845, 405779, 516446, 767690, 811558, 1291115, 2028895, 2582230, 2840453, 4057790, 5680906, 14202265, 28404530]

約数ペア:

[(1, 28404530), (2, 14202265), (5, 5680906), (7, 4057790), (10, 2840453), (11, 2582230), (14, 2028895), (22, 1291115), (35, 811558), (37, 767690), (55, 516446), (70, 405779), (74, 383845), (77, 368890), (110, 258223), (154, 184445), (185, 153538), (259, 109670), (370, 76769), (385, 73778), (407, 69790), (518, 54835), (770, 36889), (814, 34895), (997, 28490), (1295, 21934), (1994, 14245), (2035, 13958), (2590, 10967), (2849, 9970), (4070, 6979), (4985, 5698)]