71310281

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 88708608

約数和(自身を除く): 17398327

約数列:

[1, 7, 23, 53, 61, 137, 161, 371, 427, 959, 1219, 1403, 3151, 3233, 7261, 8357, 8533, 9821, 22057, 22631, 50827, 58499, 74359, 167003, 192211, 442921, 520513, 1169021, 1345477, 3100447, 10187183, 71310281]

約数ペア:

[(1, 71310281), (7, 10187183), (23, 3100447), (53, 1345477), (61, 1169021), (137, 520513), (161, 442921), (371, 192211), (427, 167003), (959, 74359), (1219, 58499), (1403, 50827), (3151, 22631), (3233, 22057), (7261, 9821), (8357, 8533)]