219798618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{90901}}^1$

素因数の和:90950

約数の個数: 32

約数和(自身を含む): 488689152

約数和(自身を除く): 268890534

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 90901, 181802, 272703, 545406, 1181713, 2363426, 2817931, 3545139, 5635862, 7090278, 8453793, 16907586, 36633103, 73266206, 109899309, 219798618]

約数ペア:

[(1, 219798618), (2, 109899309), (3, 73266206), (6, 36633103), (13, 16907586), (26, 8453793), (31, 7090278), (39, 5635862), (62, 3545139), (78, 2817931), (93, 2363426), (186, 1181713), (403, 545406), (806, 272703), (1209, 181802), (2418, 90901)]