278655425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{3391}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 365928960

約数和(自身を除く): 87273535

約数列:

[1, 5, 19, 25, 95, 173, 475, 865, 3287, 3391, 4325, 16435, 16955, 64429, 82175, 84775, 322145, 586643, 1610725, 2933215, 11146217, 14666075, 55731085, 278655425]

約数ペア:

[(1, 278655425), (5, 55731085), (19, 14666075), (25, 11146217), (95, 2933215), (173, 1610725), (475, 586643), (865, 322145), (3287, 84775), (3391, 82175), (4325, 64429), (16435, 16955)]