284867905

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 402259968

約数和(自身を除く): 117392063

約数列:

[1, 5, 7, 35, 43, 191, 215, 301, 955, 991, 1337, 1505, 4955, 6685, 6937, 8213, 34685, 41065, 42613, 57491, 189281, 213065, 287455, 298291, 946405, 1324967, 1491455, 6624835, 8139083, 40695415, 56973581, 284867905]

約数ペア:

[(1, 284867905), (5, 56973581), (7, 40695415), (35, 8139083), (43, 6624835), (191, 1491455), (215, 1324967), (301, 946405), (955, 298291), (991, 287455), (1337, 213065), (1505, 189281), (4955, 57491), (6685, 42613), (6937, 41065), (8213, 34685)]