128045688

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 325987200

約数和(自身を除く): 197941512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 139, 262, 278, 293, 393, 417, 524, 556, 586, 786, 834, 879, 1048, 1112, 1172, 1572, 1668, 1758, 2344, 3144, 3336, 3516, 7032, 18209, 36418, 38383, 40727, 54627, 72836, 76766, 81454, 109254, 115149, 122181, 145672, 153532, 162908, 218508, 230298, 244362, 307064, 325816, 437016, 460596, 488724, 921192, 977448, 5335237, 10670474, 16005711, 21340948, 32011422, 42681896, 64022844, 128045688]

約数ペア:

[(1, 128045688), (2, 64022844), (3, 42681896), (4, 32011422), (6, 21340948), (8, 16005711), (12, 10670474), (24, 5335237), (131, 977448), (139, 921192), (262, 488724), (278, 460596), (293, 437016), (393, 325816), (417, 307064), (524, 244362), (556, 230298), (586, 218508), (786, 162908), (834, 153532), (879, 145672), (1048, 122181), (1112, 115149), (1172, 109254), (1572, 81454), (1668, 76766), (1758, 72836), (2344, 54627), (3144, 40727), (3336, 38383), (3516, 36418), (7032, 18209)]