31006990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19259}}^1$

素因数の和:19296

約数の個数: 32

約数和(自身を含む): 66562560

約数和(自身を除く): 35555570

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 19259, 38518, 96295, 134813, 192590, 269626, 442957, 674065, 885914, 1348130, 2214785, 3100699, 4429570, 6201398, 15503495, 31006990]

約数ペア:

[(1, 31006990), (2, 15503495), (5, 6201398), (7, 4429570), (10, 3100699), (14, 2214785), (23, 1348130), (35, 885914), (46, 674065), (70, 442957), (115, 269626), (161, 192590), (230, 134813), (322, 96295), (805, 38518), (1610, 19259)]