505702967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 643728384

約数和(自身を除く): 138025417

約数列:

[1, 7, 11, 71, 77, 233, 397, 497, 781, 1631, 2563, 2779, 4367, 5467, 16543, 17941, 28187, 30569, 92501, 115801, 181973, 197309, 310057, 647507, 1017511, 1273811, 2170399, 6567571, 7122577, 45972997, 72243281, 505702967]

約数ペア:

[(1, 505702967), (7, 72243281), (11, 45972997), (71, 7122577), (77, 6567571), (233, 2170399), (397, 1273811), (497, 1017511), (781, 647507), (1631, 310057), (2563, 197309), (2779, 181973), (4367, 115801), (5467, 92501), (16543, 30569), (17941, 28187)]