216512065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1699}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 325094400

約数和(自身を除く): 108582335

約数列:

[1, 5, 7, 11, 35, 55, 77, 331, 385, 1655, 1699, 2317, 3641, 8495, 11585, 11893, 18205, 18689, 25487, 59465, 93445, 127435, 130823, 562369, 654115, 2811845, 3936583, 6186059, 19682915, 30930295, 43302413, 216512065]

約数ペア:

[(1, 216512065), (5, 43302413), (7, 30930295), (11, 19682915), (35, 6186059), (55, 3936583), (77, 2811845), (331, 654115), (385, 562369), (1655, 130823), (1699, 127435), (2317, 93445), (3641, 59465), (8495, 25487), (11585, 18689), (11893, 18205)]