217977864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{727}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 607239360

約数和(自身を除く): 389261496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 727, 744, 806, 961, 1209, 1454, 1612, 1922, 2181, 2418, 2883, 2908, 3224, 3844, 4362, 4836, 5766, 5816, 7688, 8724, 9451, 9672, 11532, 12493, 17448, 18902, 22537, 23064, 24986, 28353, 37479, 37804, 45074, 49972, 56706, 67611, 74958, 75608, 90148, 99944, 113412, 135222, 149916, 180296, 226824, 270444, 292981, 299832, 540888, 585962, 698647, 878943, 1171924, 1397294, 1757886, 2095941, 2343848, 2794588, 3515772, 4191882, 5589176, 7031544, 8383764, 9082411, 16767528, 18164822, 27247233, 36329644, 54494466, 72659288, 108988932, 217977864]

約数ペア:

[(1, 217977864), (2, 108988932), (3, 72659288), (4, 54494466), (6, 36329644), (8, 27247233), (12, 18164822), (13, 16767528), (24, 9082411), (26, 8383764), (31, 7031544), (39, 5589176), (52, 4191882), (62, 3515772), (78, 2794588), (93, 2343848), (104, 2095941), (124, 1757886), (156, 1397294), (186, 1171924), (248, 878943), (312, 698647), (372, 585962), (403, 540888), (727, 299832), (744, 292981), (806, 270444), (961, 226824), (1209, 180296), (1454, 149916), (1612, 135222), (1922, 113412), (2181, 99944), (2418, 90148), (2883, 75608), (2908, 74958), (3224, 67611), (3844, 56706), (4362, 49972), (4836, 45074), (5766, 37804), (5816, 37479), (7688, 28353), (8724, 24986), (9451, 23064), (9672, 22537), (11532, 18902), (12493, 17448)]