17787490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 38479104

約数和(自身を除く): 20691614

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1171, 1519, 2170, 2342, 3038, 5855, 7595, 8197, 11710, 15190, 16394, 36301, 40985, 57379, 72602, 81970, 114758, 181505, 254107, 286895, 363010, 508214, 573790, 1270535, 1778749, 2541070, 3557498, 8893745, 17787490]

約数ペア:

[(1, 17787490), (2, 8893745), (5, 3557498), (7, 2541070), (10, 1778749), (14, 1270535), (31, 573790), (35, 508214), (49, 363010), (62, 286895), (70, 254107), (98, 181505), (155, 114758), (217, 81970), (245, 72602), (310, 57379), (434, 40985), (490, 36301), (1085, 16394), (1171, 15190), (1519, 11710), (2170, 8197), (2342, 7595), (3038, 5855)]