721702908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{10223}}^1$

素因数の和:10323

約数の個数: 72

約数和(自身を含む): 1909147968

約数和(自身を除く): 1187445060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 53, 74, 106, 111, 148, 159, 212, 222, 318, 333, 444, 477, 636, 666, 954, 1332, 1908, 1961, 3922, 5883, 7844, 10223, 11766, 17649, 20446, 23532, 30669, 35298, 40892, 61338, 70596, 92007, 122676, 184014, 368028, 378251, 541819, 756502, 1083638, 1134753, 1513004, 1625457, 2167276, 2269506, 3250914, 3404259, 4539012, 4876371, 6501828, 6808518, 9752742, 13617036, 19505484, 20047303, 40094606, 60141909, 80189212, 120283818, 180425727, 240567636, 360851454, 721702908]

約数ペア:

[(1, 721702908), (2, 360851454), (3, 240567636), (4, 180425727), (6, 120283818), (9, 80189212), (12, 60141909), (18, 40094606), (36, 20047303), (37, 19505484), (53, 13617036), (74, 9752742), (106, 6808518), (111, 6501828), (148, 4876371), (159, 4539012), (212, 3404259), (222, 3250914), (318, 2269506), (333, 2167276), (444, 1625457), (477, 1513004), (636, 1134753), (666, 1083638), (954, 756502), (1332, 541819), (1908, 378251), (1961, 368028), (3922, 184014), (5883, 122676), (7844, 92007), (10223, 70596), (11766, 61338), (17649, 40892), (20446, 35298), (23532, 30669)]