311025728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 84

約数和(自身を含む): 688566060

約数和(自身を除く): 377540332

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 389, 403, 416, 496, 778, 806, 832, 961, 992, 1556, 1612, 1922, 1984, 3112, 3224, 3844, 5057, 6224, 6448, 7688, 10114, 12059, 12448, 12493, 12896, 15376, 20228, 24118, 24896, 24986, 25792, 30752, 40456, 48236, 49972, 61504, 80912, 96472, 99944, 156767, 161824, 192944, 199888, 313534, 323648, 373829, 385888, 399776, 627068, 747658, 771776, 799552, 1254136, 1495316, 2508272, 2990632, 4859777, 5016544, 5981264, 9719554, 10033088, 11962528, 19439108, 23925056, 38878216, 77756432, 155512864, 311025728]

約数ペア:

[(1, 311025728), (2, 155512864), (4, 77756432), (8, 38878216), (13, 23925056), (16, 19439108), (26, 11962528), (31, 10033088), (32, 9719554), (52, 5981264), (62, 5016544), (64, 4859777), (104, 2990632), (124, 2508272), (208, 1495316), (248, 1254136), (389, 799552), (403, 771776), (416, 747658), (496, 627068), (778, 399776), (806, 385888), (832, 373829), (961, 323648), (992, 313534), (1556, 199888), (1612, 192944), (1922, 161824), (1984, 156767), (3112, 99944), (3224, 96472), (3844, 80912), (5057, 61504), (6224, 49972), (6448, 48236), (7688, 40456), (10114, 30752), (12059, 25792), (12448, 24986), (12493, 24896), (12896, 24118), (15376, 20228)]