2011189825

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{761}}^1\times {\mathrm{1733}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 2539553976

約数和(自身を除く): 528364151

約数列:

[1, 5, 25, 61, 305, 761, 1525, 1733, 3805, 8665, 19025, 43325, 46421, 105713, 232105, 528565, 1160525, 1318813, 2642825, 6594065, 32970325, 80447593, 402237965, 2011189825]

約数ペア:

[(1, 2011189825), (5, 402237965), (25, 80447593), (61, 32970325), (305, 6594065), (761, 2642825), (1525, 1318813), (1733, 1160525), (3805, 528565), (8665, 232105), (19025, 105713), (43325, 46421)]