320189948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 625895424

約数和(自身を除く): 305705476

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 307, 403, 614, 647, 806, 1228, 1294, 1612, 2588, 3991, 7982, 8411, 9517, 15964, 16822, 19034, 20057, 33644, 38068, 40114, 80228, 123721, 198629, 247442, 260741, 397258, 494884, 521482, 794516, 1042964, 2582177, 5164354, 6157499, 10328708, 12314998, 24629996, 80047487, 160094974, 320189948]

約数ペア:

[(1, 320189948), (2, 160094974), (4, 80047487), (13, 24629996), (26, 12314998), (31, 10328708), (52, 6157499), (62, 5164354), (124, 2582177), (307, 1042964), (403, 794516), (614, 521482), (647, 494884), (806, 397258), (1228, 260741), (1294, 247442), (1612, 198629), (2588, 123721), (3991, 80228), (7982, 40114), (8411, 38068), (9517, 33644), (15964, 20057), (16822, 19034)]