66509818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 108241920

約数和(自身を除く): 41732102

約数列:

[1, 2, 29, 31, 58, 62, 71, 142, 521, 899, 1042, 1798, 2059, 2201, 4118, 4402, 15109, 16151, 30218, 32302, 36991, 63829, 73982, 127658, 468379, 936758, 1072739, 1146721, 2145478, 2293442, 33254909, 66509818]

約数ペア:

[(1, 66509818), (2, 33254909), (29, 2293442), (31, 2145478), (58, 1146721), (62, 1072739), (71, 936758), (142, 468379), (521, 127658), (899, 73982), (1042, 63829), (1798, 36991), (2059, 32302), (2201, 30218), (4118, 16151), (4402, 15109)]