219487688

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{126433}}^1$

素因数の和:126477

約数の個数: 32

約数和(自身を含む): 485506560

約数和(自身を除く): 266018872

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 126433, 252866, 505732, 885031, 1011464, 1770062, 3540124, 3919423, 7080248, 7838846, 15677692, 27435961, 31355384, 54871922, 109743844, 219487688]

約数ペア:

[(1, 219487688), (2, 109743844), (4, 54871922), (7, 31355384), (8, 27435961), (14, 15677692), (28, 7838846), (31, 7080248), (56, 3919423), (62, 3540124), (124, 1770062), (217, 1011464), (248, 885031), (434, 505732), (868, 252866), (1736, 126433)]