1271908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 2457504

約数和(自身を除く): 1185596

約数列:

[1, 2, 4, 11, 22, 44, 137, 211, 274, 422, 548, 844, 1507, 2321, 3014, 4642, 6028, 9284, 28907, 57814, 115628, 317977, 635954, 1271908]

約数ペア:

[(1, 1271908), (2, 635954), (4, 317977), (11, 115628), (22, 57814), (44, 28907), (137, 9284), (211, 6028), (274, 4642), (422, 3014), (548, 2321), (844, 1507)]