28187028

素因数分解:

$2^2\times 3^5\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 75583872

約数和(自身を除く): 47396844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 243, 282, 324, 423, 486, 564, 617, 846, 972, 1234, 1269, 1692, 1851, 2468, 2538, 3702, 3807, 5076, 5553, 7404, 7614, 11106, 11421, 15228, 16659, 22212, 22842, 28999, 33318, 45684, 49977, 57998, 66636, 86997, 99954, 115996, 149931, 173994, 199908, 260991, 299862, 347988, 521982, 599724, 782973, 1043964, 1565946, 2348919, 3131892, 4697838, 7046757, 9395676, 14093514, 28187028]

約数ペア:

[(1, 28187028), (2, 14093514), (3, 9395676), (4, 7046757), (6, 4697838), (9, 3131892), (12, 2348919), (18, 1565946), (27, 1043964), (36, 782973), (47, 599724), (54, 521982), (81, 347988), (94, 299862), (108, 260991), (141, 199908), (162, 173994), (188, 149931), (243, 115996), (282, 99954), (324, 86997), (423, 66636), (486, 57998), (564, 49977), (617, 45684), (846, 33318), (972, 28999), (1234, 22842), (1269, 22212), (1692, 16659), (1851, 15228), (2468, 11421), (2538, 11106), (3702, 7614), (3807, 7404), (5076, 5553)]