7271989921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{17209}}^1$

素因数の和:17353

約数の個数: 32

約数和(自身を含む): 9100097280

約数和(自身を除く): 1828107359

約数列:

[1, 7, 17, 53, 67, 119, 371, 469, 901, 1139, 3551, 6307, 7973, 17209, 24857, 60367, 120463, 292553, 422569, 912077, 1153003, 2047871, 6384539, 8071021, 15505309, 19601051, 61109159, 108537163, 137207357, 427764113, 1038855703, 7271989921]

約数ペア:

[(1, 7271989921), (7, 1038855703), (17, 427764113), (53, 137207357), (67, 108537163), (119, 61109159), (371, 19601051), (469, 15505309), (901, 8071021), (1139, 6384539), (3551, 2047871), (6307, 1153003), (7973, 912077), (17209, 422569), (24857, 292553), (60367, 120463)]