71129968

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 80

約数和(自身を含む): 173252800

約数和(自身を除く): 102122832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 343, 364, 392, 637, 686, 728, 784, 997, 1274, 1372, 1456, 1994, 2548, 2744, 3988, 4459, 5096, 5488, 6979, 7976, 8918, 10192, 12961, 13958, 15952, 17836, 25922, 27916, 35672, 48853, 51844, 55832, 71344, 90727, 97706, 103688, 111664, 181454, 195412, 207376, 341971, 362908, 390824, 635089, 683942, 725816, 781648, 1270178, 1367884, 1451632, 2540356, 2735768, 4445623, 5080712, 5471536, 8891246, 10161424, 17782492, 35564984, 71129968]

約数ペア:

[(1, 71129968), (2, 35564984), (4, 17782492), (7, 10161424), (8, 8891246), (13, 5471536), (14, 5080712), (16, 4445623), (26, 2735768), (28, 2540356), (49, 1451632), (52, 1367884), (56, 1270178), (91, 781648), (98, 725816), (104, 683942), (112, 635089), (182, 390824), (196, 362908), (208, 341971), (343, 207376), (364, 195412), (392, 181454), (637, 111664), (686, 103688), (728, 97706), (784, 90727), (997, 71344), (1274, 55832), (1372, 51844), (1456, 48853), (1994, 35672), (2548, 27916), (2744, 25922), (3988, 17836), (4459, 15952), (5096, 13958), (5488, 12961), (6979, 10192), (7976, 8918)]