720989958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{6551}}^1$

素因数の和:6669

約数の個数: 64

約数和(自身を含む): 1664312832

約数和(自身を除く): 943322874

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 83, 102, 166, 221, 249, 442, 498, 663, 1079, 1326, 1411, 2158, 2822, 3237, 4233, 6474, 6551, 8466, 13102, 18343, 19653, 36686, 39306, 55029, 85163, 110058, 111367, 170326, 222734, 255489, 334101, 510978, 543733, 668202, 1087466, 1447771, 1631199, 2895542, 3262398, 4343313, 7068529, 8686626, 9243461, 14137058, 18486922, 21205587, 27730383, 42411174, 55460766, 120164993, 240329986, 360494979, 720989958]

約数ペア:

[(1, 720989958), (2, 360494979), (3, 240329986), (6, 120164993), (13, 55460766), (17, 42411174), (26, 27730383), (34, 21205587), (39, 18486922), (51, 14137058), (78, 9243461), (83, 8686626), (102, 7068529), (166, 4343313), (221, 3262398), (249, 2895542), (442, 1631199), (498, 1447771), (663, 1087466), (1079, 668202), (1326, 543733), (1411, 510978), (2158, 334101), (2822, 255489), (3237, 222734), (4233, 170326), (6474, 111367), (6551, 110058), (8466, 85163), (13102, 55029), (18343, 39306), (19653, 36686)]