821308216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{28621}}^1$

素因数の和:28855

約数の個数: 32

約数和(自身を含む): 1638323280

約数和(自身を除く): 817015064

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 844, 1688, 3587, 7174, 14348, 28621, 28696, 57242, 114484, 228968, 486557, 973114, 1946228, 3892456, 6039031, 12078062, 24156124, 48312248, 102663527, 205327054, 410654108, 821308216]

約数ペア:

[(1, 821308216), (2, 410654108), (4, 205327054), (8, 102663527), (17, 48312248), (34, 24156124), (68, 12078062), (136, 6039031), (211, 3892456), (422, 1946228), (844, 973114), (1688, 486557), (3587, 228968), (7174, 114484), (14348, 57242), (28621, 28696)]