155512864

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 341572140

約数和(自身を除く): 186059276

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 389, 403, 416, 496, 778, 806, 961, 992, 1556, 1612, 1922, 3112, 3224, 3844, 5057, 6224, 6448, 7688, 10114, 12059, 12448, 12493, 12896, 15376, 20228, 24118, 24986, 30752, 40456, 48236, 49972, 80912, 96472, 99944, 156767, 161824, 192944, 199888, 313534, 373829, 385888, 399776, 627068, 747658, 1254136, 1495316, 2508272, 2990632, 4859777, 5016544, 5981264, 9719554, 11962528, 19439108, 38878216, 77756432, 155512864]

約数ペア:

[(1, 155512864), (2, 77756432), (4, 38878216), (8, 19439108), (13, 11962528), (16, 9719554), (26, 5981264), (31, 5016544), (32, 4859777), (52, 2990632), (62, 2508272), (104, 1495316), (124, 1254136), (208, 747658), (248, 627068), (389, 399776), (403, 385888), (416, 373829), (496, 313534), (778, 199888), (806, 192944), (961, 161824), (992, 156767), (1556, 99944), (1612, 96472), (1922, 80912), (3112, 49972), (3224, 48236), (3844, 40456), (5057, 30752), (6224, 24986), (6448, 24118), (7688, 20228), (10114, 15376), (12059, 12896), (12448, 12493)]