28279636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 65959488

約数和(自身を除く): 37679852

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 491, 748, 847, 982, 1309, 1694, 1964, 2057, 2618, 3388, 3437, 4114, 5236, 5401, 6874, 8228, 8347, 10802, 13748, 14399, 16694, 21604, 28798, 33388, 37807, 57596, 58429, 59411, 75614, 91817, 116858, 118822, 151228, 183634, 233716, 237644, 367268, 415877, 642719, 831754, 1009987, 1285438, 1663508, 2019974, 2570876, 4039948, 7069909, 14139818, 28279636]

約数ペア:

[(1, 28279636), (2, 14139818), (4, 7069909), (7, 4039948), (11, 2570876), (14, 2019974), (17, 1663508), (22, 1285438), (28, 1009987), (34, 831754), (44, 642719), (68, 415877), (77, 367268), (119, 237644), (121, 233716), (154, 183634), (187, 151228), (238, 118822), (242, 116858), (308, 91817), (374, 75614), (476, 59411), (484, 58429), (491, 57596), (748, 37807), (847, 33388), (982, 28798), (1309, 21604), (1694, 16694), (1964, 14399), (2057, 13748), (2618, 10802), (3388, 8347), (3437, 8228), (4114, 6874), (5236, 5401)]