221489296

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{63793}}^1$

素因数の和:63839

約数の個数: 40

約数和(自身を含む): 506269184

約数和(自身を除く): 284779888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 63793, 127586, 255172, 446551, 510344, 893102, 1020688, 1786204, 1977583, 3572408, 3955166, 7144816, 7910332, 13843081, 15820664, 27686162, 31641328, 55372324, 110744648, 221489296]

約数ペア:

[(1, 221489296), (2, 110744648), (4, 55372324), (7, 31641328), (8, 27686162), (14, 15820664), (16, 13843081), (28, 7910332), (31, 7144816), (56, 3955166), (62, 3572408), (112, 1977583), (124, 1786204), (217, 1020688), (248, 893102), (434, 510344), (496, 446551), (868, 255172), (1736, 127586), (3472, 63793)]