81254778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{28631}}^1$

素因数の和:28690

約数の個数: 32

約数和(自身を含む): 181412352

約数和(自身を除く): 100157574

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 28631, 57262, 85893, 171786, 314941, 629882, 944823, 1231133, 1889646, 2462266, 3693399, 7386798, 13542463, 27084926, 40627389, 81254778]

約数ペア:

[(1, 81254778), (2, 40627389), (3, 27084926), (6, 13542463), (11, 7386798), (22, 3693399), (33, 2462266), (43, 1889646), (66, 1231133), (86, 944823), (129, 629882), (258, 314941), (473, 171786), (946, 85893), (1419, 57262), (2838, 28631)]