251649310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{3461}}^1$

素因数の和:4140

約数の個数: 32

約数和(自身を含む): 495038304

約数和(自身を除く): 243388994

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 661, 1322, 3305, 3461, 6610, 6922, 7271, 14542, 17305, 34610, 36355, 38071, 72710, 76142, 190355, 380710, 2287721, 4575442, 11438605, 22877210, 25164931, 50329862, 125824655, 251649310]

約数ペア:

[(1, 251649310), (2, 125824655), (5, 50329862), (10, 25164931), (11, 22877210), (22, 11438605), (55, 4575442), (110, 2287721), (661, 380710), (1322, 190355), (3305, 76142), (3461, 72710), (6610, 38071), (6922, 36355), (7271, 34610), (14542, 17305)]