8529318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 21315840

約数和(自身を除く): 12786522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 487, 834, 973, 974, 1251, 1461, 1946, 2502, 2919, 2922, 3409, 4383, 5838, 6818, 8757, 8766, 10227, 17514, 20454, 30681, 61362, 67693, 135386, 203079, 406158, 473851, 609237, 947702, 1218474, 1421553, 2843106, 4264659, 8529318]

約数ペア:

[(1, 8529318), (2, 4264659), (3, 2843106), (6, 1421553), (7, 1218474), (9, 947702), (14, 609237), (18, 473851), (21, 406158), (42, 203079), (63, 135386), (126, 67693), (139, 61362), (278, 30681), (417, 20454), (487, 17514), (834, 10227), (973, 8766), (974, 8757), (1251, 6818), (1461, 5838), (1946, 4383), (2502, 3409), (2919, 2922)]