31278142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 57427200

約数和(自身を除く): 26149058

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1993, 2242, 3986, 7847, 13951, 15694, 27902, 37867, 75734, 117587, 235174, 265069, 530138, 823109, 1646218, 2234153, 4468306, 15639071, 31278142]

約数ペア:

[(1, 31278142), (2, 15639071), (7, 4468306), (14, 2234153), (19, 1646218), (38, 823109), (59, 530138), (118, 265069), (133, 235174), (266, 117587), (413, 75734), (826, 37867), (1121, 27902), (1993, 15694), (2242, 13951), (3986, 7847)]