164776255

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1913}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 238132224

約数和(自身を除く): 73355969

約数列:

[1, 5, 7, 23, 35, 107, 115, 161, 535, 749, 805, 1913, 2461, 3745, 9565, 12305, 13391, 17227, 43999, 66955, 86135, 204691, 219995, 307993, 1023455, 1432837, 1539965, 4707893, 7164185, 23539465, 32955251, 164776255]

約数ペア:

[(1, 164776255), (5, 32955251), (7, 23539465), (23, 7164185), (35, 4707893), (107, 1539965), (115, 1432837), (161, 1023455), (535, 307993), (749, 219995), (805, 204691), (1913, 86135), (2461, 66955), (3745, 43999), (9565, 17227), (12305, 13391)]