27620690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 51770880

約数和(自身を除く): 24150190

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 641, 695, 1282, 1390, 3205, 4309, 6410, 8618, 19871, 21545, 39742, 43090, 89099, 99355, 178198, 198710, 445495, 890990, 2762069, 5524138, 13810345, 27620690]

約数ペア:

[(1, 27620690), (2, 13810345), (5, 5524138), (10, 2762069), (31, 890990), (62, 445495), (139, 198710), (155, 178198), (278, 99355), (310, 89099), (641, 43090), (695, 39742), (1282, 21545), (1390, 19871), (3205, 8618), (4309, 6410)]