687501828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{86413}}^1$

素因数の和:86453

約数の個数: 72

約数和(自身を含む): 1981645848

約数和(自身を除く): 1294144020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 86413, 172826, 259239, 345652, 518478, 777717, 1036956, 1123369, 1469021, 1555434, 2246738, 2938042, 3110868, 3370107, 4407063, 4493476, 5876084, 6740214, 8814126, 10110321, 13221189, 13480428, 17628252, 19097273, 20220642, 26442378, 38194546, 40441284, 52884756, 57291819, 76389092, 114583638, 171875457, 229167276, 343750914, 687501828]

約数ペア:

[(1, 687501828), (2, 343750914), (3, 229167276), (4, 171875457), (6, 114583638), (9, 76389092), (12, 57291819), (13, 52884756), (17, 40441284), (18, 38194546), (26, 26442378), (34, 20220642), (36, 19097273), (39, 17628252), (51, 13480428), (52, 13221189), (68, 10110321), (78, 8814126), (102, 6740214), (117, 5876084), (153, 4493476), (156, 4407063), (204, 3370107), (221, 3110868), (234, 2938042), (306, 2246738), (442, 1555434), (468, 1469021), (612, 1123369), (663, 1036956), (884, 777717), (1326, 518478), (1989, 345652), (2652, 259239), (3978, 172826), (7956, 86413)]