820741068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{23431}}^1$

素因数の和:23587

約数の個数: 72

約数和(自身を含む): 2388189440

約数和(自身を除く): 1567448372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5838, 8757, 11676, 17514, 23431, 35028, 46862, 70293, 93724, 140586, 164017, 210879, 281172, 328034, 421758, 492051, 656068, 843516, 984102, 1476153, 1968204, 2952306, 3256909, 5904612, 6513818, 9770727, 13027636, 19541454, 22798363, 29312181, 39082908, 45596726, 58624362, 68395089, 91193452, 117248724, 136790178, 205185267, 273580356, 410370534, 820741068]

約数ペア:

[(1, 820741068), (2, 410370534), (3, 273580356), (4, 205185267), (6, 136790178), (7, 117248724), (9, 91193452), (12, 68395089), (14, 58624362), (18, 45596726), (21, 39082908), (28, 29312181), (36, 22798363), (42, 19541454), (63, 13027636), (84, 9770727), (126, 6513818), (139, 5904612), (252, 3256909), (278, 2952306), (417, 1968204), (556, 1476153), (834, 984102), (973, 843516), (1251, 656068), (1668, 492051), (1946, 421758), (2502, 328034), (2919, 281172), (3892, 210879), (5004, 164017), (5838, 140586), (8757, 93724), (11676, 70293), (17514, 46862), (23431, 35028)]