81591752

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 173644800

約数和(自身を除く): 92053048

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 968, 1364, 2719, 2728, 3751, 5438, 7502, 10876, 15004, 21752, 29909, 30008, 59818, 84289, 119636, 168578, 239272, 328999, 337156, 657998, 674312, 927179, 1315996, 1854358, 2631992, 3708716, 7417432, 10198969, 20397938, 40795876, 81591752]

約数ペア:

[(1, 81591752), (2, 40795876), (4, 20397938), (8, 10198969), (11, 7417432), (22, 3708716), (31, 2631992), (44, 1854358), (62, 1315996), (88, 927179), (121, 674312), (124, 657998), (242, 337156), (248, 328999), (341, 239272), (484, 168578), (682, 119636), (968, 84289), (1364, 59818), (2719, 30008), (2728, 29909), (3751, 21752), (5438, 15004), (7502, 10876)]