81070108

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 170027200

約数和(自身を除く): 88957092

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1597, 1813, 3194, 3626, 6388, 7252, 11179, 12691, 22358, 25382, 44716, 50764, 59089, 78253, 118178, 156506, 236356, 313012, 413623, 547771, 827246, 1095542, 1654492, 2191084, 2895361, 5790722, 11581444, 20267527, 40535054, 81070108]

約数ペア:

[(1, 81070108), (2, 40535054), (4, 20267527), (7, 11581444), (14, 5790722), (28, 2895361), (37, 2191084), (49, 1654492), (74, 1095542), (98, 827246), (148, 547771), (196, 413623), (259, 313012), (343, 236356), (518, 156506), (686, 118178), (1036, 78253), (1372, 59089), (1597, 50764), (1813, 44716), (3194, 25382), (3626, 22358), (6388, 12691), (7252, 11179)]