636693985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 808704000

約数和(自身を除く): 172010015

約数列:

[1, 5, 29, 89, 103, 145, 445, 479, 515, 2395, 2581, 2987, 9167, 12905, 13891, 14935, 42631, 45835, 49337, 69455, 213155, 246685, 265843, 1236299, 1329215, 1430773, 4390993, 6181495, 7153865, 21954965, 127338797, 636693985]

約数ペア:

[(1, 636693985), (5, 127338797), (29, 21954965), (89, 7153865), (103, 6181495), (145, 4390993), (445, 1430773), (479, 1329215), (515, 1236299), (2395, 265843), (2581, 246685), (2987, 213155), (9167, 69455), (12905, 49337), (13891, 45835), (14935, 42631)]