253820056

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{105407}}^1$

素因数の和:105463

約数の個数: 32

約数和(自身を含む): 556554240

約数和(自身を除く): 302734184

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 105407, 210814, 421628, 737849, 843256, 1475698, 2951396, 4532501, 5902792, 9065002, 18130004, 31727507, 36260008, 63455014, 126910028, 253820056]

約数ペア:

[(1, 253820056), (2, 126910028), (4, 63455014), (7, 36260008), (8, 31727507), (14, 18130004), (28, 9065002), (43, 5902792), (56, 4532501), (86, 2951396), (172, 1475698), (301, 843256), (344, 737849), (602, 421628), (1204, 210814), (2408, 105407)]