31405308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 82583424

約数和(自身を除く): 51178116

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 121, 129, 132, 172, 242, 258, 363, 473, 484, 503, 516, 726, 946, 1006, 1419, 1452, 1509, 1892, 2012, 2838, 3018, 5203, 5533, 5676, 6036, 10406, 11066, 15609, 16599, 20812, 21629, 22132, 31218, 33198, 43258, 60863, 62436, 64887, 66396, 86516, 121726, 129774, 182589, 237919, 243452, 259548, 365178, 475838, 713757, 730356, 951676, 1427514, 2617109, 2855028, 5234218, 7851327, 10468436, 15702654, 31405308]

約数ペア:

[(1, 31405308), (2, 15702654), (3, 10468436), (4, 7851327), (6, 5234218), (11, 2855028), (12, 2617109), (22, 1427514), (33, 951676), (43, 730356), (44, 713757), (66, 475838), (86, 365178), (121, 259548), (129, 243452), (132, 237919), (172, 182589), (242, 129774), (258, 121726), (363, 86516), (473, 66396), (484, 64887), (503, 62436), (516, 60863), (726, 43258), (946, 33198), (1006, 31218), (1419, 22132), (1452, 21629), (1509, 20812), (1892, 16599), (2012, 15609), (2838, 11066), (3018, 10406), (5203, 6036), (5533, 5676)]