388464518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{6709}}^1$

素因数の和:6872

約数の個数: 32

約数和(自身を含む): 669604320

約数和(自身を除く): 281139802

約数列:

[1, 2, 13, 17, 26, 34, 131, 221, 262, 442, 1703, 2227, 3406, 4454, 6709, 13418, 28951, 57902, 87217, 114053, 174434, 228106, 878879, 1482689, 1757758, 2965378, 11425427, 14940943, 22850854, 29881886, 194232259, 388464518]

約数ペア:

[(1, 388464518), (2, 194232259), (13, 29881886), (17, 22850854), (26, 14940943), (34, 11425427), (131, 2965378), (221, 1757758), (262, 1482689), (442, 878879), (1703, 228106), (2227, 174434), (3406, 114053), (4454, 87217), (6709, 57902), (13418, 28951)]