26215490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{7643}}^1$

素因数の和:7671

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 28821310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 7643, 15286, 38215, 53501, 76430, 107002, 267505, 374507, 535010, 749014, 1872535, 2621549, 3745070, 5243098, 13107745, 26215490]

約数ペア:

[(1, 26215490), (2, 13107745), (5, 5243098), (7, 3745070), (10, 2621549), (14, 1872535), (35, 749014), (49, 535010), (70, 374507), (98, 267505), (245, 107002), (343, 76430), (490, 53501), (686, 38215), (1715, 15286), (3430, 7643)]