7871990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1051}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 16360704

約数和(自身を除く): 8488714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1051, 1070, 1498, 2102, 3745, 5255, 7357, 7490, 10510, 14714, 36785, 73570, 112457, 224914, 562285, 787199, 1124570, 1574398, 3935995, 7871990]

約数ペア:

[(1, 7871990), (2, 3935995), (5, 1574398), (7, 1124570), (10, 787199), (14, 562285), (35, 224914), (70, 112457), (107, 73570), (214, 36785), (535, 14714), (749, 10510), (1051, 7490), (1070, 7357), (1498, 5255), (2102, 3745)]