31989830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 61067520

約数和(自身を除く): 29077690

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 2294, 2789, 5578, 5735, 11470, 13945, 27890, 86459, 103193, 172918, 206386, 432295, 515965, 864590, 1031930, 3198983, 6397966, 15994915, 31989830]

約数ペア:

[(1, 31989830), (2, 15994915), (5, 6397966), (10, 3198983), (31, 1031930), (37, 864590), (62, 515965), (74, 432295), (155, 206386), (185, 172918), (310, 103193), (370, 86459), (1147, 27890), (2294, 13945), (2789, 11470), (5578, 5735)]