161870716

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{26641}}^1$

素因数の和:26690

約数の個数: 36

約数和(自身を含む): 340165056

約数和(自身を除く): 178294340

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 26641, 53282, 106564, 186487, 372974, 745948, 825871, 1305409, 1651742, 2610818, 3303484, 5221636, 5781097, 11562194, 23124388, 40467679, 80935358, 161870716]

約数ペア:

[(1, 161870716), (2, 80935358), (4, 40467679), (7, 23124388), (14, 11562194), (28, 5781097), (31, 5221636), (49, 3303484), (62, 2610818), (98, 1651742), (124, 1305409), (196, 825871), (217, 745948), (434, 372974), (868, 186487), (1519, 106564), (3038, 53282), (6076, 26641)]