289747388

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{86959}}^1$

素因数の和:86994

約数の個数: 36

約数和(自身を含む): 624546720

約数和(自身を除く): 334799332

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 86959, 173918, 347836, 608713, 1217426, 1478303, 2434852, 2956606, 4260991, 5913212, 8521982, 10348121, 17043964, 20696242, 41392484, 72436847, 144873694, 289747388]

約数ペア:

[(1, 289747388), (2, 144873694), (4, 72436847), (7, 41392484), (14, 20696242), (17, 17043964), (28, 10348121), (34, 8521982), (49, 5913212), (68, 4260991), (98, 2956606), (119, 2434852), (196, 1478303), (238, 1217426), (476, 608713), (833, 347836), (1666, 173918), (3332, 86959)]