231889788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{495491}}^1$

素因数の和:495514

約数の個数: 36

約数和(自身を含む): 631256808

約数和(自身を除く): 399367020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 495491, 990982, 1486473, 1981964, 2972946, 4459419, 5945892, 6441383, 8918838, 12882766, 17837676, 19324149, 25765532, 38648298, 57972447, 77296596, 115944894, 231889788]

約数ペア:

[(1, 231889788), (2, 115944894), (3, 77296596), (4, 57972447), (6, 38648298), (9, 25765532), (12, 19324149), (13, 17837676), (18, 12882766), (26, 8918838), (36, 6441383), (39, 5945892), (52, 4459419), (78, 2972946), (117, 1981964), (156, 1486473), (234, 990982), (468, 495491)]