128698918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 205970688

約数和(自身を除く): 77271770

約数列:

[1, 2, 31, 41, 62, 82, 197, 257, 394, 514, 1271, 2542, 6107, 7967, 8077, 10537, 12214, 15934, 16154, 21074, 50629, 101258, 250387, 326647, 500774, 653294, 1569499, 2075789, 3138998, 4151578, 64349459, 128698918]

約数ペア:

[(1, 128698918), (2, 64349459), (31, 4151578), (41, 3138998), (62, 2075789), (82, 1569499), (197, 653294), (257, 500774), (394, 326647), (514, 250387), (1271, 101258), (2542, 50629), (6107, 21074), (7967, 16154), (8077, 15934), (10537, 12214)]