78947132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 158505984

約数和(自身を除く): 79558852

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 181, 253, 362, 431, 506, 724, 862, 1012, 1724, 1991, 3982, 4163, 4741, 7964, 8326, 9482, 9913, 16652, 18964, 19826, 39652, 45793, 78011, 91586, 109043, 156022, 183172, 218086, 312044, 436172, 858121, 1716242, 1794253, 3432484, 3588506, 7177012, 19736783, 39473566, 78947132]

約数ペア:

[(1, 78947132), (2, 39473566), (4, 19736783), (11, 7177012), (22, 3588506), (23, 3432484), (44, 1794253), (46, 1716242), (92, 858121), (181, 436172), (253, 312044), (362, 218086), (431, 183172), (506, 156022), (724, 109043), (862, 91586), (1012, 78011), (1724, 45793), (1991, 39652), (3982, 19826), (4163, 18964), (4741, 16652), (7964, 9913), (8326, 9482)]