216975169

素因数分解:

${\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 238258944

約数和(自身を除く): 21283775

約数列:

[1, 23, 31, 101, 131, 529, 713, 2323, 3013, 3131, 4061, 13231, 16399, 53429, 69299, 72013, 93403, 304313, 410161, 1656299, 2148269, 6999199, 9433703, 216975169]

約数ペア:

[(1, 216975169), (23, 9433703), (31, 6999199), (101, 2148269), (131, 1656299), (529, 410161), (713, 304313), (2323, 93403), (3013, 72013), (3131, 69299), (4061, 53429), (13231, 16399)]