71090481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 128342016

約数和(自身を除く): 57251535

約数列:

[1, 3, 7, 11, 17, 21, 33, 43, 51, 77, 119, 129, 187, 231, 301, 357, 421, 473, 561, 731, 903, 1263, 1309, 1419, 2193, 2947, 3311, 3927, 4631, 5117, 7157, 8041, 8841, 9933, 13893, 15351, 18103, 21471, 24123, 32417, 50099, 54309, 56287, 78727, 97251, 126721, 150297, 168861, 199133, 236181, 307751, 380163, 551089, 597399, 923253, 1393931, 1653267, 2154257, 3385261, 4181793, 6462771, 10155783, 23696827, 71090481]

約数ペア:

[(1, 71090481), (3, 23696827), (7, 10155783), (11, 6462771), (17, 4181793), (21, 3385261), (33, 2154257), (43, 1653267), (51, 1393931), (77, 923253), (119, 597399), (129, 551089), (187, 380163), (231, 307751), (301, 236181), (357, 199133), (421, 168861), (473, 150297), (561, 126721), (731, 97251), (903, 78727), (1263, 56287), (1309, 54309), (1419, 50099), (2193, 32417), (2947, 24123), (3311, 21471), (3927, 18103), (4631, 15351), (5117, 13893), (7157, 9933), (8041, 8841)]