308974985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7949

約数の個数: 32

約数和(自身を含む): 435732480

約数和(自身を除く): 126757495

約数列:

[1, 5, 11, 23, 31, 55, 115, 155, 253, 341, 713, 1265, 1705, 3565, 7843, 7879, 39215, 39395, 86669, 181217, 244249, 433345, 906085, 1221245, 1993387, 2686739, 5617727, 9966935, 13433695, 28088635, 61794997, 308974985]

約数ペア:

[(1, 308974985), (5, 61794997), (11, 28088635), (23, 13433695), (31, 9966935), (55, 5617727), (115, 2686739), (155, 1993387), (253, 1221245), (341, 906085), (713, 433345), (1265, 244249), (1705, 181217), (3565, 86669), (7843, 39395), (7879, 39215)]