248147207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 328264704

約数和(自身を除く): 80117497

約数列:

[1, 7, 11, 23, 61, 77, 161, 253, 427, 671, 1403, 1771, 2297, 4697, 9821, 15433, 16079, 25267, 52831, 108031, 140117, 176869, 369817, 581141, 980819, 1541287, 3222691, 4067987, 10789009, 22558837, 35449601, 248147207]

約数ペア:

[(1, 248147207), (7, 35449601), (11, 22558837), (23, 10789009), (61, 4067987), (77, 3222691), (161, 1541287), (253, 980819), (427, 581141), (671, 369817), (1403, 176869), (1771, 140117), (2297, 108031), (4697, 52831), (9821, 25267), (15433, 16079)]