16939790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 18912754

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 181, 191, 245, 362, 382, 490, 905, 955, 1267, 1337, 1810, 1910, 2534, 2674, 6335, 6685, 8869, 9359, 12670, 13370, 17738, 18718, 34571, 44345, 46795, 69142, 88690, 93590, 172855, 241997, 345710, 483994, 1209985, 1693979, 2419970, 3387958, 8469895, 16939790]

約数ペア:

[(1, 16939790), (2, 8469895), (5, 3387958), (7, 2419970), (10, 1693979), (14, 1209985), (35, 483994), (49, 345710), (70, 241997), (98, 172855), (181, 93590), (191, 88690), (245, 69142), (362, 46795), (382, 44345), (490, 34571), (905, 18718), (955, 17738), (1267, 13370), (1337, 12670), (1810, 9359), (1910, 8869), (2534, 6685), (2674, 6335)]