254341904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19457}}^1$

素因数の和:19527

約数の個数: 40

約数和(自身を含む): 530814240

約数和(自身を除く): 276472336

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 19457, 38914, 77828, 155656, 311312, 369683, 739366, 836651, 1478732, 1673302, 2957464, 3346604, 5914928, 6693208, 13386416, 15896369, 31792738, 63585476, 127170952, 254341904]

約数ペア:

[(1, 254341904), (2, 127170952), (4, 63585476), (8, 31792738), (16, 15896369), (19, 13386416), (38, 6693208), (43, 5914928), (76, 3346604), (86, 2957464), (152, 1673302), (172, 1478732), (304, 836651), (344, 739366), (688, 369683), (817, 311312), (1634, 155656), (3268, 77828), (6536, 38914), (13072, 19457)]