218870838

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{120391}}^1$

素因数の和:120500

約数の個数: 24

約数和(自身を含む): 478919376

約数和(自身を除く): 260048538

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 120391, 240782, 361173, 722346, 1083519, 2167038, 12159491, 24318982, 36478473, 72956946, 109435419, 218870838]

約数ペア:

[(1, 218870838), (2, 109435419), (3, 72956946), (6, 36478473), (9, 24318982), (18, 12159491), (101, 2167038), (202, 1083519), (303, 722346), (606, 361173), (909, 240782), (1818, 120391)]