16638275990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{7643}}^1$

素因数の和:8021

約数の個数: 64

約数和(自身を含む): 34633557504

約数和(自身を除く): 17995281514

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 227, 274, 454, 685, 959, 1135, 1370, 1589, 1918, 2270, 3178, 4795, 7643, 7945, 9590, 15286, 15890, 31099, 38215, 53501, 62198, 76430, 107002, 155495, 217693, 267505, 310990, 435386, 535010, 1047091, 1088465, 1734961, 2094182, 2176930, 3469922, 5235455, 7329637, 8674805, 10470910, 12144727, 14659274, 17349610, 24289454, 36648185, 60723635, 73296370, 121447270, 237689657, 475379314, 1188448285, 1663827599, 2376896570, 3327655198, 8319137995, 16638275990]

約数ペア:

[(1, 16638275990), (2, 8319137995), (5, 3327655198), (7, 2376896570), (10, 1663827599), (14, 1188448285), (35, 475379314), (70, 237689657), (137, 121447270), (227, 73296370), (274, 60723635), (454, 36648185), (685, 24289454), (959, 17349610), (1135, 14659274), (1370, 12144727), (1589, 10470910), (1918, 8674805), (2270, 7329637), (3178, 5235455), (4795, 3469922), (7643, 2176930), (7945, 2094182), (9590, 1734961), (15286, 1088465), (15890, 1047091), (31099, 535010), (38215, 435386), (53501, 310990), (62198, 267505), (76430, 217693), (107002, 155495)]