161879543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 200558592

約数和(自身を除く): 38679049

約数列:

[1, 7, 23, 53, 61, 161, 311, 371, 427, 1219, 1403, 2177, 3233, 7153, 8533, 9821, 16483, 18971, 22631, 50071, 74359, 115381, 132797, 379109, 436333, 520513, 1005463, 2653763, 3054331, 7038241, 23125649, 161879543]

約数ペア:

[(1, 161879543), (7, 23125649), (23, 7038241), (53, 3054331), (61, 2653763), (161, 1005463), (311, 520513), (371, 436333), (427, 379109), (1219, 132797), (1403, 115381), (2177, 74359), (3233, 50071), (7153, 22631), (8533, 18971), (9821, 16483)]