31351430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 61858080

約数和(自身を除く): 30506650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1109, 1285, 2218, 2570, 2827, 5545, 5654, 11090, 12199, 14135, 24398, 28270, 60995, 121990, 285013, 570026, 1425065, 2850130, 3135143, 6270286, 15675715, 31351430]

約数ペア:

[(1, 31351430), (2, 15675715), (5, 6270286), (10, 3135143), (11, 2850130), (22, 1425065), (55, 570026), (110, 285013), (257, 121990), (514, 60995), (1109, 28270), (1285, 24398), (2218, 14135), (2570, 12199), (2827, 11090), (5545, 5654)]