71951404

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:315

約数の個数: 54

約数和(自身を含む): 155298780

約数和(自身を除く): 83347376

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 139, 196, 266, 278, 532, 556, 931, 973, 1862, 1946, 2641, 3724, 3892, 5282, 6811, 10564, 13622, 18487, 19321, 27244, 36974, 38642, 73948, 77284, 129409, 135247, 258818, 270494, 367099, 517636, 540988, 734198, 946729, 1468396, 1893458, 2569693, 3786916, 5139386, 10278772, 17987851, 35975702, 71951404]

約数ペア:

[(1, 71951404), (2, 35975702), (4, 17987851), (7, 10278772), (14, 5139386), (19, 3786916), (28, 2569693), (38, 1893458), (49, 1468396), (76, 946729), (98, 734198), (133, 540988), (139, 517636), (196, 367099), (266, 270494), (278, 258818), (532, 135247), (556, 129409), (931, 77284), (973, 73948), (1862, 38642), (1946, 36974), (2641, 27244), (3724, 19321), (3892, 18487), (5282, 13622), (6811, 10564)]