81193816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 91537064

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 67, 88, 94, 134, 188, 268, 293, 376, 517, 536, 586, 737, 1034, 1172, 1474, 2068, 2344, 2948, 3149, 3223, 4136, 5896, 6298, 6446, 12596, 12892, 13771, 19631, 25192, 25784, 27542, 34639, 39262, 55084, 69278, 78524, 110168, 138556, 151481, 157048, 215941, 277112, 302962, 431882, 605924, 863764, 922657, 1211848, 1727528, 1845314, 3690628, 7381256, 10149227, 20298454, 40596908, 81193816]

約数ペア:

[(1, 81193816), (2, 40596908), (4, 20298454), (8, 10149227), (11, 7381256), (22, 3690628), (44, 1845314), (47, 1727528), (67, 1211848), (88, 922657), (94, 863764), (134, 605924), (188, 431882), (268, 302962), (293, 277112), (376, 215941), (517, 157048), (536, 151481), (586, 138556), (737, 110168), (1034, 78524), (1172, 69278), (1474, 55084), (2068, 39262), (2344, 34639), (2948, 27542), (3149, 25784), (3223, 25192), (4136, 19631), (5896, 13771), (6298, 12892), (6446, 12596)]