221260144

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{63727}}^1$

素因数の和:63773

約数の個数: 40

約数和(自身を含む): 505745408

約数和(自身を除く): 284485264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 63727, 127454, 254908, 446089, 509816, 892178, 1019632, 1784356, 1975537, 3568712, 3951074, 7137424, 7902148, 13828759, 15804296, 27657518, 31608592, 55315036, 110630072, 221260144]

約数ペア:

[(1, 221260144), (2, 110630072), (4, 55315036), (7, 31608592), (8, 27657518), (14, 15804296), (16, 13828759), (28, 7902148), (31, 7137424), (56, 3951074), (62, 3568712), (112, 1975537), (124, 1784356), (217, 1019632), (248, 892178), (434, 509816), (496, 446089), (868, 254908), (1736, 127454), (3472, 63727)]