22389928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 48121920

約数和(自身を除く): 25731992

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 61, 86, 88, 97, 122, 172, 194, 244, 344, 388, 473, 488, 671, 776, 946, 1067, 1342, 1892, 2134, 2623, 2684, 3784, 4171, 4268, 5246, 5368, 5917, 8342, 8536, 10492, 11834, 16684, 20984, 23668, 28853, 33368, 45881, 47336, 57706, 65087, 91762, 115412, 130174, 183524, 230824, 254431, 260348, 367048, 508862, 520696, 1017724, 2035448, 2798741, 5597482, 11194964, 22389928]

約数ペア:

[(1, 22389928), (2, 11194964), (4, 5597482), (8, 2798741), (11, 2035448), (22, 1017724), (43, 520696), (44, 508862), (61, 367048), (86, 260348), (88, 254431), (97, 230824), (122, 183524), (172, 130174), (194, 115412), (244, 91762), (344, 65087), (388, 57706), (473, 47336), (488, 45881), (671, 33368), (776, 28853), (946, 23668), (1067, 20984), (1342, 16684), (1892, 11834), (2134, 10492), (2623, 8536), (2684, 8342), (3784, 5917), (4171, 5368), (4268, 5246)]