521621870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{6577}}^1$

素因数の和:6705

約数の個数: 64

約数和(自身を含む): 1182145536

約数和(自身を除く): 660523666

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 206, 385, 515, 721, 770, 1030, 1133, 1442, 2266, 3605, 5665, 6577, 7210, 7931, 11330, 13154, 15862, 32885, 39655, 46039, 65770, 72347, 79310, 92078, 144694, 230195, 361735, 460390, 506429, 677431, 723470, 1012858, 1354862, 2532145, 3387155, 4742017, 5064290, 6774310, 7451741, 9484034, 14903482, 23710085, 37258705, 47420170, 52162187, 74517410, 104324374, 260810935, 521621870]

約数ペア:

[(1, 521621870), (2, 260810935), (5, 104324374), (7, 74517410), (10, 52162187), (11, 47420170), (14, 37258705), (22, 23710085), (35, 14903482), (55, 9484034), (70, 7451741), (77, 6774310), (103, 5064290), (110, 4742017), (154, 3387155), (206, 2532145), (385, 1354862), (515, 1012858), (721, 723470), (770, 677431), (1030, 506429), (1133, 460390), (1442, 361735), (2266, 230195), (3605, 144694), (5665, 92078), (6577, 79310), (7210, 72347), (7931, 65770), (11330, 46039), (13154, 39655), (15862, 32885)]