161754515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 219494016

約数和(自身を除く): 57739501

約数列:

[1, 5, 13, 23, 65, 115, 257, 299, 421, 1285, 1495, 2105, 3341, 5473, 5911, 9683, 16705, 27365, 29555, 48415, 76843, 108197, 125879, 384215, 540985, 629395, 1406561, 2488531, 7032805, 12442655, 32350903, 161754515]

約数ペア:

[(1, 161754515), (5, 32350903), (13, 12442655), (23, 7032805), (65, 2488531), (115, 1406561), (257, 629395), (299, 540985), (421, 384215), (1285, 125879), (1495, 108197), (2105, 76843), (3341, 48415), (5473, 29555), (5911, 27365), (9683, 16705)]