81756516

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{16183}}^1$

素因数の和:16611

約数の個数: 24

約数和(自身を含む): 191230144

約数和(自身を除く): 109473628

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 16183, 32366, 48549, 64732, 97098, 194196, 6813043, 13626086, 20439129, 27252172, 40878258, 81756516]

約数ペア:

[(1, 81756516), (2, 40878258), (3, 27252172), (4, 20439129), (6, 13626086), (12, 6813043), (421, 194196), (842, 97098), (1263, 64732), (1684, 48549), (2526, 32366), (5052, 16183)]