697534990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 1379026944

約数和(自身を除く): 681491954

約数列:

[1, 2, 5, 10, 17, 34, 47, 67, 85, 94, 134, 170, 235, 335, 470, 670, 799, 1139, 1303, 1598, 2278, 2606, 3149, 3995, 5695, 6298, 6515, 7990, 11390, 13030, 15745, 22151, 31490, 44302, 53533, 61241, 87301, 107066, 110755, 122482, 174602, 221510, 267665, 306205, 436505, 535330, 612410, 873010, 1041097, 1484117, 2082194, 2968234, 4103147, 5205485, 7420585, 8206294, 10410970, 14841170, 20515735, 41031470, 69753499, 139506998, 348767495, 697534990]

約数ペア:

[(1, 697534990), (2, 348767495), (5, 139506998), (10, 69753499), (17, 41031470), (34, 20515735), (47, 14841170), (67, 10410970), (85, 8206294), (94, 7420585), (134, 5205485), (170, 4103147), (235, 2968234), (335, 2082194), (470, 1484117), (670, 1041097), (799, 873010), (1139, 612410), (1303, 535330), (1598, 436505), (2278, 306205), (2606, 267665), (3149, 221510), (3995, 174602), (5695, 122482), (6298, 110755), (6515, 107066), (7990, 87301), (11390, 61241), (13030, 53533), (15745, 44302), (22151, 31490)]