128580892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{2351}}^1$

素因数の和:2490

約数の個数: 36

約数和(自身を含む): 249627168

約数和(自身を除く): 121046276

約数列:

[1, 2, 4, 11, 22, 44, 113, 121, 226, 242, 452, 484, 1243, 2351, 2486, 4702, 4972, 9404, 13673, 25861, 27346, 51722, 54692, 103444, 265663, 284471, 531326, 568942, 1062652, 1137884, 2922293, 5844586, 11689172, 32145223, 64290446, 128580892]

約数ペア:

[(1, 128580892), (2, 64290446), (4, 32145223), (11, 11689172), (22, 5844586), (44, 2922293), (113, 1137884), (121, 1062652), (226, 568942), (242, 531326), (452, 284471), (484, 265663), (1243, 103444), (2351, 54692), (2486, 51722), (4702, 27346), (4972, 25861), (9404, 13673)]