78256516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 156956800

約数和(自身を除く): 78700284

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 206, 247, 412, 494, 769, 988, 1339, 1538, 1957, 2678, 3076, 3914, 5356, 7828, 9997, 14611, 19994, 25441, 29222, 39988, 50882, 58444, 79207, 101764, 158414, 189943, 316828, 379886, 759772, 1029691, 1504933, 2059382, 3009866, 4118764, 6019732, 19564129, 39128258, 78256516]

約数ペア:

[(1, 78256516), (2, 39128258), (4, 19564129), (13, 6019732), (19, 4118764), (26, 3009866), (38, 2059382), (52, 1504933), (76, 1029691), (103, 759772), (206, 379886), (247, 316828), (412, 189943), (494, 158414), (769, 101764), (988, 79207), (1339, 58444), (1538, 50882), (1957, 39988), (2678, 29222), (3076, 25441), (3914, 19994), (5356, 14611), (7828, 9997)]