28881036

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 77581504

約数和(自身を除く): 48700468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 486, 516, 691, 774, 972, 1161, 1382, 1548, 2073, 2322, 2764, 3483, 4146, 4644, 6219, 6966, 8292, 10449, 12438, 13932, 18657, 20898, 24876, 29713, 37314, 41796, 55971, 59426, 74628, 89139, 111942, 118852, 167913, 178278, 223884, 267417, 335826, 356556, 534834, 671652, 802251, 1069668, 1604502, 2406753, 3209004, 4813506, 7220259, 9627012, 14440518, 28881036]

約数ペア:

[(1, 28881036), (2, 14440518), (3, 9627012), (4, 7220259), (6, 4813506), (9, 3209004), (12, 2406753), (18, 1604502), (27, 1069668), (36, 802251), (43, 671652), (54, 534834), (81, 356556), (86, 335826), (108, 267417), (129, 223884), (162, 178278), (172, 167913), (243, 118852), (258, 111942), (324, 89139), (387, 74628), (486, 59426), (516, 55971), (691, 41796), (774, 37314), (972, 29713), (1161, 24876), (1382, 20898), (1548, 18657), (2073, 13932), (2322, 12438), (2764, 10449), (3483, 8292), (4146, 6966), (4644, 6219)]