220367623

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 275742720

約数和(自身を除く): 55375097

約数列:

[1, 7, 23, 31, 67, 161, 217, 469, 659, 713, 1541, 2077, 4613, 4991, 10787, 14539, 15157, 20429, 44153, 47771, 106099, 143003, 309071, 334397, 469867, 1015519, 1368743, 3289069, 7108633, 9581201, 31481089, 220367623]

約数ペア:

[(1, 220367623), (7, 31481089), (23, 9581201), (31, 7108633), (67, 3289069), (161, 1368743), (217, 1015519), (469, 469867), (659, 334397), (713, 309071), (1541, 143003), (2077, 106099), (4613, 47771), (4991, 44153), (10787, 20429), (14539, 15157)]