217873390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{84121}}^1$

素因数の和:84172

約数の個数: 32

約数和(自身を含む): 460315584

約数和(自身を除く): 242442194

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 84121, 168242, 420605, 588847, 841210, 1177694, 2944235, 3112477, 5888470, 6224954, 15562385, 21787339, 31124770, 43574678, 108936695, 217873390]

約数ペア:

[(1, 217873390), (2, 108936695), (5, 43574678), (7, 31124770), (10, 21787339), (14, 15562385), (35, 6224954), (37, 5888470), (70, 3112477), (74, 2944235), (185, 1177694), (259, 841210), (370, 588847), (518, 420605), (1295, 168242), (2590, 84121)]