193966591

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 245887488

約数和(自身を除く): 51920897

約数列:

[1, 7, 13, 53, 91, 131, 307, 371, 689, 917, 1703, 2149, 3991, 4823, 6943, 11921, 16271, 27937, 40217, 48601, 90259, 113897, 211523, 281519, 522821, 631813, 1480661, 2131501, 3659747, 14920507, 27709513, 193966591]

約数ペア:

[(1, 193966591), (7, 27709513), (13, 14920507), (53, 3659747), (91, 2131501), (131, 1480661), (307, 631813), (371, 522821), (689, 281519), (917, 211523), (1703, 113897), (2149, 90259), (3991, 48601), (4823, 40217), (6943, 27937), (11921, 16271)]