215465908

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{126151}}^1$

素因数の和:126223

約数の個数: 24

約数和(自身を含む): 437999744

約数和(自身を除く): 222533836

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 126151, 252302, 504604, 883057, 1766114, 3532228, 7695211, 15390422, 30780844, 53866477, 107732954, 215465908]

約数ペア:

[(1, 215465908), (2, 107732954), (4, 53866477), (7, 30780844), (14, 15390422), (28, 7695211), (61, 3532228), (122, 1766114), (244, 883057), (427, 504604), (854, 252302), (1708, 126151)]