201993918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 475517952

約数和(自身を除く): 273524034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 103, 106, 159, 206, 309, 318, 371, 618, 721, 742, 881, 1113, 1442, 1762, 2163, 2226, 2643, 4326, 5286, 5459, 6167, 10918, 12334, 16377, 18501, 32754, 37002, 38213, 46693, 76426, 90743, 93386, 114639, 140079, 181486, 229278, 272229, 280158, 326851, 544458, 635201, 653702, 980553, 1270402, 1905603, 1961106, 3811206, 4809379, 9618758, 14428137, 28856274, 33665653, 67331306, 100996959, 201993918]

約数ペア:

[(1, 201993918), (2, 100996959), (3, 67331306), (6, 33665653), (7, 28856274), (14, 14428137), (21, 9618758), (42, 4809379), (53, 3811206), (103, 1961106), (106, 1905603), (159, 1270402), (206, 980553), (309, 653702), (318, 635201), (371, 544458), (618, 326851), (721, 280158), (742, 272229), (881, 229278), (1113, 181486), (1442, 140079), (1762, 114639), (2163, 93386), (2226, 90743), (2643, 76426), (4326, 46693), (5286, 38213), (5459, 37002), (6167, 32754), (10918, 18501), (12334, 16377)]