290637152

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{727}}^1$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 637601328

約数和(自身を除く): 346964176

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 727, 806, 961, 992, 1454, 1612, 1922, 2908, 3224, 3844, 5816, 6448, 7688, 9451, 11632, 12493, 12896, 15376, 18902, 22537, 23264, 24986, 30752, 37804, 45074, 49972, 75608, 90148, 99944, 151216, 180296, 199888, 292981, 302432, 360592, 399776, 585962, 698647, 721184, 1171924, 1397294, 2343848, 2794588, 4687696, 5589176, 9082411, 9375392, 11178352, 18164822, 22356704, 36329644, 72659288, 145318576, 290637152]

約数ペア:

[(1, 290637152), (2, 145318576), (4, 72659288), (8, 36329644), (13, 22356704), (16, 18164822), (26, 11178352), (31, 9375392), (32, 9082411), (52, 5589176), (62, 4687696), (104, 2794588), (124, 2343848), (208, 1397294), (248, 1171924), (403, 721184), (416, 698647), (496, 585962), (727, 399776), (806, 360592), (961, 302432), (992, 292981), (1454, 199888), (1612, 180296), (1922, 151216), (2908, 99944), (3224, 90148), (3844, 75608), (5816, 49972), (6448, 45074), (7688, 37804), (9451, 30752), (11632, 24986), (12493, 23264), (12896, 22537), (15376, 18902)]