1331657886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{797}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 2968713216

約数和(自身を除く): 1637055330

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 691, 797, 806, 1209, 1382, 1594, 2073, 2391, 2418, 4146, 4782, 8983, 10361, 17966, 20722, 21421, 24707, 26949, 31083, 42842, 49414, 53898, 62166, 64263, 74121, 128526, 148242, 278473, 321191, 550727, 556946, 642382, 835419, 963573, 1101454, 1652181, 1670838, 1927146, 3304362, 7159451, 14318902, 17072537, 21478353, 34145074, 42956706, 51217611, 102435222, 221942981, 443885962, 665828943, 1331657886]

約数ペア:

[(1, 1331657886), (2, 665828943), (3, 443885962), (6, 221942981), (13, 102435222), (26, 51217611), (31, 42956706), (39, 34145074), (62, 21478353), (78, 17072537), (93, 14318902), (186, 7159451), (403, 3304362), (691, 1927146), (797, 1670838), (806, 1652181), (1209, 1101454), (1382, 963573), (1594, 835419), (2073, 642382), (2391, 556946), (2418, 550727), (4146, 321191), (4782, 278473), (8983, 148242), (10361, 128526), (17966, 74121), (20722, 64263), (21421, 62166), (24707, 53898), (26949, 49414), (31083, 42842)]