991638456

素因数分解:

$2^3\times 3^1\times {\mathrm{3163}}^1\times {\mathrm{13063}}^1$

素因数の和:16235

約数の個数: 32

約数和(自身を含む): 2480069760

約数和(自身を除く): 1488431304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 3163, 6326, 9489, 12652, 13063, 18978, 25304, 26126, 37956, 39189, 52252, 75912, 78378, 104504, 156756, 313512, 41318269, 82636538, 123954807, 165273076, 247909614, 330546152, 495819228, 991638456]

約数ペア:

[(1, 991638456), (2, 495819228), (3, 330546152), (4, 247909614), (6, 165273076), (8, 123954807), (12, 82636538), (24, 41318269), (3163, 313512), (6326, 156756), (9489, 104504), (12652, 78378), (13063, 75912), (18978, 52252), (25304, 39189), (26126, 37956)]