638564168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{2659}}^1\times {\mathrm{2729}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 1307124000

約数和(自身を除く): 668559832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 2659, 2729, 5318, 5458, 10636, 10916, 21272, 21832, 29249, 30019, 58498, 60038, 116996, 120076, 233992, 240152, 7256411, 14512822, 29025644, 58051288, 79820521, 159641042, 319282084, 638564168]

約数ペア:

[(1, 638564168), (2, 319282084), (4, 159641042), (8, 79820521), (11, 58051288), (22, 29025644), (44, 14512822), (88, 7256411), (2659, 240152), (2729, 233992), (5318, 120076), (5458, 116996), (10636, 60038), (10916, 58498), (21272, 30019), (21832, 29249)]