128535418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 228244320

約数和(自身を除く): 99708902

約数列:

[1, 2, 11, 19, 22, 38, 61, 71, 122, 142, 209, 418, 671, 781, 1159, 1342, 1349, 1562, 2318, 2698, 4331, 5041, 8662, 10082, 12749, 14839, 25498, 29678, 47641, 55451, 82289, 95282, 95779, 110902, 164578, 191558, 307501, 615002, 905179, 1053569, 1810358, 2107138, 3382511, 5842519, 6765022, 11685038, 64267709, 128535418]

約数ペア:

[(1, 128535418), (2, 64267709), (11, 11685038), (19, 6765022), (22, 5842519), (38, 3382511), (61, 2107138), (71, 1810358), (122, 1053569), (142, 905179), (209, 615002), (418, 307501), (671, 191558), (781, 164578), (1159, 110902), (1342, 95779), (1349, 95282), (1562, 82289), (2318, 55451), (2698, 47641), (4331, 29678), (5041, 25498), (8662, 14839), (10082, 12749)]