87661878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{991}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 183416832

約数和(自身を除く): 95754954

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 641, 991, 1282, 1923, 1982, 2973, 3846, 5946, 14743, 22793, 29486, 44229, 45586, 68379, 88458, 136758, 635231, 1270462, 1905693, 3811386, 14610313, 29220626, 43830939, 87661878]

約数ペア:

[(1, 87661878), (2, 43830939), (3, 29220626), (6, 14610313), (23, 3811386), (46, 1905693), (69, 1270462), (138, 635231), (641, 136758), (991, 88458), (1282, 68379), (1923, 45586), (1982, 44229), (2973, 29486), (3846, 22793), (5946, 14743)]