31030192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1121

約数の個数: 40

約数和(自身を含む): 63964160

約数和(自身を除く): 32933968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 824, 991, 1648, 1957, 1982, 3914, 3964, 7828, 7928, 15656, 15856, 18829, 31312, 37658, 75316, 102073, 150632, 204146, 301264, 408292, 816584, 1633168, 1939387, 3878774, 7757548, 15515096, 31030192]

約数ペア:

[(1, 31030192), (2, 15515096), (4, 7757548), (8, 3878774), (16, 1939387), (19, 1633168), (38, 816584), (76, 408292), (103, 301264), (152, 204146), (206, 150632), (304, 102073), (412, 75316), (824, 37658), (991, 31312), (1648, 18829), (1957, 15856), (1982, 15656), (3914, 7928), (3964, 7828)]