28807590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19597}}^1$

素因数の和:19621

約数の個数: 48

約数和(自身を含む): 80430192

約数和(自身を除く): 51622602

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19597, 39194, 58791, 97985, 117582, 137179, 195970, 274358, 293955, 411537, 587910, 685895, 823074, 960253, 1371790, 1920506, 2057685, 2880759, 4115370, 4801265, 5761518, 9602530, 14403795, 28807590]

約数ペア:

[(1, 28807590), (2, 14403795), (3, 9602530), (5, 5761518), (6, 4801265), (7, 4115370), (10, 2880759), (14, 2057685), (15, 1920506), (21, 1371790), (30, 960253), (35, 823074), (42, 685895), (49, 587910), (70, 411537), (98, 293955), (105, 274358), (147, 195970), (210, 137179), (245, 117582), (294, 97985), (490, 58791), (735, 39194), (1470, 19597)]