28389830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23857}}^1$

素因数の和:23888

約数の個数: 32

約数和(自身を含む): 61839936

約数和(自身を除く): 33450106

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 23857, 47714, 119285, 166999, 238570, 333998, 405569, 811138, 834995, 1669990, 2027845, 2838983, 4055690, 5677966, 14194915, 28389830]

約数ペア:

[(1, 28389830), (2, 14194915), (5, 5677966), (7, 4055690), (10, 2838983), (14, 2027845), (17, 1669990), (34, 834995), (35, 811138), (70, 405569), (85, 333998), (119, 238570), (170, 166999), (238, 119285), (595, 47714), (1190, 23857)]