2008990908

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{401477}}^1$

素因数の和:401626

約数の個数: 36

約数和(自身を含む): 5114829720

約数和(自身を除く): 3105838812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 401477, 802954, 1204431, 1605908, 2408862, 3613293, 4817724, 7226586, 14453172, 55805303, 111610606, 167415909, 223221212, 334831818, 502247727, 669663636, 1004495454, 2008990908]

約数ペア:

[(1, 2008990908), (2, 1004495454), (3, 669663636), (4, 502247727), (6, 334831818), (9, 223221212), (12, 167415909), (18, 111610606), (36, 55805303), (139, 14453172), (278, 7226586), (417, 4817724), (556, 3613293), (834, 2408862), (1251, 1605908), (1668, 1204431), (2502, 802954), (5004, 401477)]