248393886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2481

約数の個数: 64

約数和(自身を含む): 565340160

約数和(自身を除く): 316946274

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 43, 62, 78, 86, 93, 129, 186, 258, 403, 559, 806, 1118, 1209, 1333, 1677, 2389, 2418, 2666, 3354, 3999, 4778, 7167, 7998, 14334, 17329, 31057, 34658, 51987, 62114, 74059, 93171, 102727, 103974, 148118, 186342, 205454, 222177, 308181, 444354, 616362, 962767, 1335451, 1925534, 2670902, 2888301, 3184537, 4006353, 5776602, 6369074, 8012706, 9553611, 19107222, 41398981, 82797962, 124196943, 248393886]

約数ペア:

[(1, 248393886), (2, 124196943), (3, 82797962), (6, 41398981), (13, 19107222), (26, 9553611), (31, 8012706), (39, 6369074), (43, 5776602), (62, 4006353), (78, 3184537), (86, 2888301), (93, 2670902), (129, 1925534), (186, 1335451), (258, 962767), (403, 616362), (559, 444354), (806, 308181), (1118, 222177), (1209, 205454), (1333, 186342), (1677, 148118), (2389, 103974), (2418, 102727), (2666, 93171), (3354, 74059), (3999, 62114), (4778, 51987), (7167, 34658), (7998, 31057), (14334, 17329)]