173640455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 228925440

約数和(自身を除く): 55284985

約数列:

[1, 5, 23, 31, 53, 115, 155, 265, 713, 919, 1219, 1643, 3565, 4595, 6095, 8215, 21137, 28489, 37789, 48707, 105685, 142445, 188945, 243535, 655247, 1120261, 1509917, 3276235, 5601305, 7549585, 34728091, 173640455]

約数ペア:

[(1, 173640455), (5, 34728091), (23, 7549585), (31, 5601305), (53, 3276235), (115, 1509917), (155, 1120261), (265, 655247), (713, 243535), (919, 188945), (1219, 142445), (1643, 105685), (3565, 48707), (4595, 37789), (6095, 28489), (8215, 21137)]