81604028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 166440960

約数和(自身を除く): 84836932

約数列:

[1, 2, 4, 11, 22, 29, 31, 44, 58, 62, 116, 124, 319, 341, 638, 682, 899, 1276, 1364, 1798, 2063, 3596, 4126, 8252, 9889, 19778, 22693, 39556, 45386, 59827, 63953, 90772, 119654, 127906, 239308, 255812, 658097, 703483, 1316194, 1406966, 1854637, 2632388, 2813932, 3709274, 7418548, 20401007, 40802014, 81604028]

約数ペア:

[(1, 81604028), (2, 40802014), (4, 20401007), (11, 7418548), (22, 3709274), (29, 2813932), (31, 2632388), (44, 1854637), (58, 1406966), (62, 1316194), (116, 703483), (124, 658097), (319, 255812), (341, 239308), (638, 127906), (682, 119654), (899, 90772), (1276, 63953), (1364, 59827), (1798, 45386), (2063, 39556), (3596, 22693), (4126, 19778), (8252, 9889)]