71379845068

素因数分解:

$2^2\times 7^2\times {\mathrm{359}}^1\times {\mathrm{509}}^1\times {\mathrm{1993}}^1$

素因数の和:2879

約数の個数: 72

約数和(自身を含む): 146073261600

約数和(自身を除く): 74693416532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 359, 509, 718, 1018, 1436, 1993, 2036, 2513, 3563, 3986, 5026, 7126, 7972, 10052, 13951, 14252, 17591, 24941, 27902, 35182, 49882, 55804, 70364, 97657, 99764, 182731, 195314, 365462, 390628, 715487, 730924, 1014437, 1279117, 1430974, 2028874, 2558234, 2861948, 4057748, 5008409, 5116468, 7101059, 8953819, 10016818, 14202118, 17907638, 20033636, 28404236, 35058863, 35815276, 49707413, 70117726, 99414826, 140235452, 198829652, 364182883, 728365766, 1456731532, 2549280181, 5098560362, 10197120724, 17844961267, 35689922534, 71379845068]

約数ペア:

[(1, 71379845068), (2, 35689922534), (4, 17844961267), (7, 10197120724), (14, 5098560362), (28, 2549280181), (49, 1456731532), (98, 728365766), (196, 364182883), (359, 198829652), (509, 140235452), (718, 99414826), (1018, 70117726), (1436, 49707413), (1993, 35815276), (2036, 35058863), (2513, 28404236), (3563, 20033636), (3986, 17907638), (5026, 14202118), (7126, 10016818), (7972, 8953819), (10052, 7101059), (13951, 5116468), (14252, 5008409), (17591, 4057748), (24941, 2861948), (27902, 2558234), (35182, 2028874), (49882, 1430974), (55804, 1279117), (70364, 1014437), (97657, 730924), (99764, 715487), (182731, 390628), (195314, 365462)]