388731234

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{21503}}^1$

素因数の和:21662

約数の個数: 32

約数和(自身を含む): 817496064

約数和(自身を除く): 428764830

約数列:

[1, 2, 3, 6, 23, 46, 69, 131, 138, 262, 393, 786, 3013, 6026, 9039, 18078, 21503, 43006, 64509, 129018, 494569, 989138, 1483707, 2816893, 2967414, 5633786, 8450679, 16901358, 64788539, 129577078, 194365617, 388731234]

約数ペア:

[(1, 388731234), (2, 194365617), (3, 129577078), (6, 64788539), (23, 16901358), (46, 8450679), (69, 5633786), (131, 2967414), (138, 2816893), (262, 1483707), (393, 989138), (786, 494569), (3013, 129018), (6026, 64509), (9039, 43006), (18078, 21503)]